Created: (STDCXX-994) SIGSEGV in 23.list.cons --trace

SIGSEGV in 23.list.cons --trace
-------------------------------

                 Key: STDCXX-994
                 URL: https://issues.apache.org/jira/browse/STDCXX-994
             Project: C++ Standard Library
          Issue Type: Bug
          Components: Tests
    Affects Versions: 4.2.1, 4.2.0
         Environment: gcc, Linux/x86_64
            Reporter: Martin Sebor
             Fix For: 4.2.2


Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.

{noformat}
$  gdb -q 23.list.cons
Using host libthread_db library "/lib64/libthread_db.so.1".
(gdb) run --trace
Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
[Thread debugging using libthread_db enabled]
# INFO (S1) (10 lines):
# TEXT:
# COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
# ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
# FILE: 23.list.cons.cpp
# COMPILED: May  7 2008, 14:06:41
# COMMENT:
############################################################

# CLAUSE: lib.list.cons

# ITRACE_NOTE (S0) (5 lines):
# TEXT: std::list<UserPOD>::list() tests disabled
# CLAUSE: lib.list.cons
# FILE: 23.containers.cpp
# LINE: 1040

# INFO (S1) (3 lines):
# TEXT: std::list<UserPOD>::list()
# CLAUSE: lib.list.cons

[New Thread 46912501818272 (LWP 8153)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46912501818272 (LWP 8153)]
0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
    pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
    at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
834                               px == pelem);                   // '<'
(gdb) where
#0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
    pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
    at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
#1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
    pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
    at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
#2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
    buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
    at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
#3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
    fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
    at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
#4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
    pbufsize=0x7fffef954c58,
    fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
    varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
#5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
    file=0x0, line=65,
    fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
    va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
#6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
    line=65,
    fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
    va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
#7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
    fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
    at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
#8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
    rng=@0x6873a8, tdata=@0x7fffef9552b0)
    at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
#9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
    tdata=@0x7fffef9552b0)
    at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
#10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
    farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
#11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
    func=@0x7fffef9554c0, tcase=@0x467f40)
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
#12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
    tcase=@0x467f40)
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
#13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
    tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
#14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
#15 0x000000000042d4e2 in _rw_run_test ()
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
#16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
    file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
    fun=0x42d27f <_rw_run_test>,
    optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
    va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
#17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
    fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
    testfun=0x42d27f <_rw_run_test>,
    optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
    at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
#18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
    file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
    test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
#19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
    file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
    farray=0x44f5c0, tests=0x44f5e0, count=9)
    at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
#20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
    at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
(gdb)
{noformat}

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Martin Sebor reassigned STDCXX-994:
-----------------------------------

    Assignee: Martin Sebor

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Martin Sebor
>             Fix For: 4.2.2
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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Martin Sebor commented on STDCXX-994:
-------------------------------------

Here's a small test case. Looks like we've got the order of arguments to the %\{X=*} directive reversed...
{noformat}
$ cat t.cpp && make t && gdb -q t
#include <rw_value.h>
#include <rw_printf.h>

int main ()
{
    UserClass x;

    rw_printf ("%{X=*}\n", 4, 0, &x);
}
gcc -c -I/home/sebor/stdcxx-4.2.0/include/ansi -D_RWSTDDEBUG   -pthread -I/home/
sebor/stdcxx-4.2.0/include -I/build/sebor/stdcxx-4.2.0-gcc-4.1.2-15d/include -I/
home/sebor/stdcxx-4.2.0/tests/include  -pedantic -nostdinc++ -g  -W -Wall -Wcast
-qual -Winline -Wshadow -Wwrite-strings -Wno-long-long -Wcast-align   t.cpp
gcc t.o -o t -L/build/sebor/stdcxx-4.2.0-gcc-4.1.2-15d/rwtest -lrwtest15d -pthre
ad -L/build/sebor/stdcxx-4.2.0-gcc-4.1.2-15d/lib  -Wl,-R/build/sebor/stdcxx-4.2.
0-gcc-4.1.2-15d/lib:/build/sebor/stdcxx-4.2.0-gcc-4.1.2-15d/rwtest -lstd15d -lsu
pc++ -lm
Using host libthread_db library "/lib64/libthread_db.so.1".
(gdb) run
Starting program: /build/sebor/stdcxx-4.2.0-gcc-4.1.2-15d/tests/t
[Thread debugging using libthread_db enabled]
[New Thread 46912499614528 (LWP 8786)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46912499614528 (LWP 8786)]
0x00000000004133bb in _rw_fmtxarrayv (pbuf=0x7fff2d79c8f8,
    pbufsize=0x7fff2d79c8f0, fmt=0x7fff2d79c6d3 "", va=0x7fff2d79b790)
    at /home/sebor/stdcxx-4.2.0/tests/src/value.cpp:826
826                               px == pelem);                   // '<'
Missing separate debuginfos, use: debuginfo-install gcc.x86_64
(gdb) where
#0  0x00000000004133bb in _rw_fmtxarrayv (pbuf=0x7fff2d79c8f8,
    pbufsize=0x7fff2d79c8f0, fmt=0x7fff2d79c6d3 "", va=0x7fff2d79b790)
    at /home/sebor/stdcxx-4.2.0/tests/src/value.cpp:826
#1  0x000000000041363a in _rw_fmtxarray (pbuf=0x7fff2d79c8f8,
    pbufsize=0x7fff2d79c8f0, fmt=0x7fff2d79c6d0 "X=*")
    at /home/sebor/stdcxx-4.2.0/tests/src/value.cpp:854
#2  0x000000000040a6a6 in _rw_vasnprintf_ext (pspec=0x7fff2d79bdd0, paramno=0,
    buf=@0x7fff2d79c830, fmt=0x7fff2d79c6d0 "X=*", pva=0x7fff2d79c860)
    at /home/sebor/stdcxx-4.2.0/tests/src/printf.cpp:2551
#3  0x000000000040863a in _rw_pvasnprintf (buf=@0x7fff2d79c830,
    fmt=0x4199f0 "%{X=*}\n", pva=0x7fff2d79c860)
    at /home/sebor/stdcxx-4.2.0/tests/src/printf.cpp:810
#4  0x0000000000408f24 in rw_vasnprintf (pbuf=0x7fff2d79c8f8,
    pbufsize=0x7fff2d79c8f0, fmt=0x4199f0 "%{X=*}\n", varg=0x7fff2d79c930)
    at /home/sebor/stdcxx-4.2.0/tests/src/printf.cpp:1013
#5  0x000000000040906b in _rw_vfprintf (file=0x317cf51760,
    fmt=0x4199f0 "%{X=*}\n", va=0x7fff2d79c930)
    at /home/sebor/stdcxx-4.2.0/tests/src/printf.cpp:3395
#6  0x000000000040919f in rw_printf (fmt=0x4199f0 "%{X=*}\n")
    at /home/sebor/stdcxx-4.2.0/tests/src/printf.cpp:3462
#7  0x0000000000402657 in main () at t.cpp:8
(gdb) l
821                               px == pelem,                    // '>'
822                               fl_pound, px->id_,              // "<id>:"
823                               fl_plus, px->data_.val_,        // <val>
824                               px + 1 < xbeg + nelems,         // ','
825                               px->data_.val_,                 // <val>
826                               px == pelem);                   // '<'
827             if (n < 0)
828                 return n;
829
830             nbytes += n;
(gdb) p px
$1 = (const UserClass *) 0x0
(gdb) p xbeg
$2 = (const UserClass * const) 0x0
(gdb) p nelems
$3 = 4
(gdb)
{noformat}

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Martin Sebor
>             Fix For: 4.2.2
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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Martin Sebor commented on STDCXX-994:
-------------------------------------

Turns out it's worse than I thought. The test assumes that the %\{X=*\} directive takes three arguments: the width of the array elements in bytes, the number of elements in the array, and the array itself (in that order), when it actually expects just the number of elements and the array. No width. I just added a bunch of test cases to demo the proper usage to [0.printf.cpp|http://svn.apache.org/viewvc/stdcxx/branches/4.2.x/tests/self/0.printf.cpp?view=markup&pathrev=677461] in [r677461|http://svn.apache.org/viewvc?view=rev&revision=677461].

This problem seems pervasive among all the tests added in [r522951|http://svn.apache.org/viewvc?view=rev&revision=522951], and perhaps others.

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Martin Sebor
>             Fix For: 4.2.2
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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Martin Sebor commented on STDCXX-994:
-------------------------------------

Here are the container tests that are coring in stdcxx 4.2.1:
{noformat}
$ for f in `find ./ -name "23.*" -perm -u+x`; do echo $f && $f -q --trace >/dev/null 2>&1; done
./23.bitset.cons
Aborted
./23.set.stdcxx-216
./23.list.assign
Segmentation fault
./23.list.special
./23.deque.special.stdcxx-127
./23.vector.bool.stdcxx-235
./23.deque.iterators
./23.list.insert.stdcxx-331
./23.vector.modifiers
./23.list.iterators
./23.vector.allocator
./23.list.cons
Segmentation fault
./23.list.erase
Segmentation fault
./23.associative.stdcxx-16
./23.vector.capacity
./23.list.insert
Segmentation fault
./23.deque.special
./23.bitset.cons.stdcxx-297
./23.bitset
./23.list.cons.stdcxx-268
./23.list.capacity
Segmentation fault
./23.list.special.stdcxx-334
./23.deque.modifiers
./23.vector.cons
./23.vector.stdcxx-611
{noformat}

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Martin Sebor
>             Fix For: 4.2.2
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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Farid Zaripov commented on STDCXX-994:
--------------------------------------

The %{X=*} format directive should accept width to distinguish between UserClass and UserPOD arrays. I believe we want to use %{X=*} directive for both UserClass and UserPOD data.

I will take care of this.

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Martin Sebor
>             Fix For: 4.2.2
>
>   Original Estimate: 4h
>          Time Spent: 4h
>  Remaining Estimate: 2h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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Farid Zaripov reassigned STDCXX-994:
------------------------------------

    Assignee: Farid Zaripov  (was: Martin Sebor)

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>             Fix For: 4.2.2
>
>   Original Estimate: 4h
>          Time Spent: 4h
>  Remaining Estimate: 2h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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     [ https://issues.apache.org/jira/browse/STDCXX-994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Farid Zaripov updated STDCXX-994:
---------------------------------

    Attachment: stdcxx-994.patch

The cumulative patch is attached.

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>             Fix For: 4.2.2
>
>         Attachments: stdcxx-994.patch
>
>   Original Estimate: 4h
>          Time Spent: 4h
>  Remaining Estimate: 2h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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     [ https://issues.apache.org/jira/browse/STDCXX-994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Farid Zaripov updated STDCXX-994:
---------------------------------

    Patch Info: [Patch Available]

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>             Fix For: 4.2.2
>
>         Attachments: stdcxx-994.patch
>
>   Original Estimate: 4h
>          Time Spent: 4h
>  Remaining Estimate: 2h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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    [ https://issues.apache.org/jira/browse/STDCXX-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706589#action_12706589 ]

Martin Sebor commented on STDCXX-994:
-------------------------------------

Great, thanks! Just one minor thing: {{value.cpp}} needs {{#include <wchar.h>}} to bring in the declaration of {{wint_t}}. Without it the file fails to compile with gcc 4.5 on Linux.

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>             Fix For: 4.2.2
>
>         Attachments: stdcxx-994.patch
>
>   Original Estimate: 4h
>          Time Spent: 4h
>  Remaining Estimate: 2h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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     [ https://issues.apache.org/jira/browse/STDCXX-994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Farid Zaripov resolved STDCXX-994.
----------------------------------

    Resolution: Fixed

Fixed thus: http://svn.apache.org/viewvc?view=rev&revision=772559

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>             Fix For: 4.2.2
>
>         Attachments: stdcxx-994.patch
>
>   Original Estimate: 4h
>          Time Spent: 4h
>  Remaining Estimate: 2h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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    [ https://issues.apache.org/jira/browse/STDCXX-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706785#action_12706785 ]

Farid Zaripov commented on STDCXX-994:
--------------------------------------

Merged into 4.3.x and trunk branches thus:

http://svn.apache.org/viewvc?view=rev&revision=772576
http://svn.apache.org/viewvc?view=rev&revision=772579

Will be closed after successfully passing of the nightly testing.

> SIGSEGV in 23.list.cons --trace
> -------------------------------
>
>                 Key: STDCXX-994
>                 URL: https://issues.apache.org/jira/browse/STDCXX-994
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 4.2.0, 4.2.1
>         Environment: gcc, Linux/x86_64
>            Reporter: Martin Sebor
>            Assignee: Farid Zaripov
>             Fix For: 4.2.2
>
>         Attachments: stdcxx-994.patch
>
>   Original Estimate: 4h
>          Time Spent: 4h
>  Remaining Estimate: 2h
>
> Running the {{23.list.cons}} test with the {{--trace}} option on the command line abends with {{SIGSEGV}} with the stack trace below. The same happens with 4.2.0, 4.2.1, 4.2.x and 4.3.x, and with gcc 4.1 as well as gcc 4.3.
> {noformat}
> $  gdb -q 23.list.cons
> Using host libthread_db library "/lib64/libthread_db.so.1".
> (gdb) run --trace
> Starting program: /build/sebor/stdcxx-4.2.1-gcc-4.3.0-15d/tests/23.list.cons --trace
> [Thread debugging using libthread_db enabled]
> # INFO (S1) (10 lines):
> # TEXT:
> # COMPILER: gcc 4.3.0, __VERSION__ = "4.3.0"
> # ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora release 8 (Werewolf)) with glibc 2.7
> # FILE: 23.list.cons.cpp
> # COMPILED: May  7 2008, 14:06:41
> # COMMENT:
> ############################################################
> # CLAUSE: lib.list.cons
> # ITRACE_NOTE (S0) (5 lines):
> # TEXT: std::list<UserPOD>::list() tests disabled
> # CLAUSE: lib.list.cons
> # FILE: 23.containers.cpp
> # LINE: 1040
> # INFO (S1) (3 lines):
> # TEXT: std::list<UserPOD>::list()
> # CLAUSE: lib.list.cons
> [New Thread 46912501818272 (LWP 8153)]
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 46912501818272 (LWP 8153)]
> 0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> 834                               px == pelem);                   // '<'
> (gdb) where
> #0  0x0000000000449a55 in _rw_fmtxarrayv (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac3 "", va=0x7fffef953b90)
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:834
> #1  0x0000000000449cb1 in _rw_fmtxarray (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58, fmt=0x7fffef954ac0 "X=*")
>     at /home/sebor/stdcxx-4.2.1/tests/src/value.cpp:862
> #2  0x000000000043fd00 in _rw_vasnprintf_ext (pspec=0x7fffef9541c0, paramno=2,
>     buf=@0x7fffef954c10, fmt=0x7fffef954ac0 "X=*", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:2503
> #3  0x000000000043eb86 in _rw_pvasnprintf (buf=@0x7fffef954c10,
>     fmt=0x44f42c " expected \"%{X=*}\", got null", pva=0x7fffef954c40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:809
> #4  0x00000000004435ce in rw_vasnprintf (pbuf=0x7fffef954da8,
>     pbufsize=0x7fffef954c58,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     varg=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/printf.cpp:1013
> #5  0x0000000000433550 in _rw_vissue_diag (diag=diag_assert, severity=0,
>     file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1262
> #6  0x0000000000433bda in _rw_vdiag (diag=diag_assert, severity=0, file=0x0,
>     line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null",
>     va=0x7fffef954e90) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1446
> #7  0x000000000043406d in rw_assert (success=1, file=0x0, line=65,
>     fmt=0x44f418 "line %d. %{$FUNCALL} expected \"%{X=*}\", got null")
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1499
> #8  0x000000000042a5b5 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     rng=@0x6873a8, tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:538
> #9  0x000000000042b322 in test_cons<UserPOD, std::allocator<UserPOD> > (
>     tdata=@0x7fffef9552b0)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:952
> #10 0x000000000042db20 in _rw_dispatch<UserPOD, std::allocator<UserPOD> > (
>     farray=0x44f5c0, func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:900
> #11 0x000000000042dea4 in _rw_dispatch<UserPOD> (farray=0x44f5c0,
>     func=@0x7fffef9554c0, tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:913
> #12 0x000000000042bf81 in _rw_dispatch (farray=0x44f5c0, func=@0x7fffef9554c0,
>     tcase=@0x467f40)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:931
> #13 0x000000000042d146 in _rw_test_case (func=@0x7fffef9554c0,
>     tcase=@0x467f40, test_callback=0, farray=0x44f5c0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1001
> #14 0x000000000042d26e in _rw_run_cases (func=@0x7fffef9554c0, test=@0x44f5e0)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1056
> #15 0x000000000042d4e2 in _rw_run_test ()
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1191
> #16 0x00000000004346d7 in rw_vtest (argc=2, argv=0x7fffef955c88,
>     file_name=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     fun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...,
>     va=0x7fffef9557c0) at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1056
> #17 0x0000000000434b80 in rw_test (argc=2, argv=0x7fffef955c88,
>     fname=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", comment=0x0,
>     testfun=0x42d27f <_rw_run_test>,
>     optstr=0x689410 "|-no-exceptions# |-no-exception-safety# |-self-ref~ |-UserPOD~ |-UserClass~ |-allocator~ |-UserAlloc~ |-InputIterator~ |-ForwardIterator~ |-BidirectionalIterator~ |-RandomAccessIterator~ |-pointer~ |-"...)
>     at /home/sebor/stdcxx-4.2.1/tests/src/driver.cpp:1154
> #18 0x000000000042c8c4 in _rw_run_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     test_callback=0, func_array=0x44f5c0, tests=0x44f5e0, test_count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1348
> #19 0x000000000042c938 in rw_run_cont_test (argc=2, argv=0x7fffef955c88,
>     file=0x44f168 "/home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp", clause=0x44f158 "lib.list.cons", container=ContainerIds::List,
>     farray=0x44f5c0, tests=0x44f5e0, count=9)
>     at /home/sebor/stdcxx-4.2.1/tests/src/23.containers.cpp:1384
> #20 0x00000000004034c5 in main (argc=2, argv=0x7fffef955c88)
>     at /home/sebor/stdcxx-4.2.1/tests/containers/23.list.cons.cpp:998
> (gdb)
> {noformat}

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