[Bug libstdc++/62022] New: [4.10 regression] 27_io/basic_ofstream/pthread2.cc FAILs

[Bug libstdc++/62022] New: [4.10 regression] 27_io/basic_ofstream/pthread2.cc FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62022

            Bug ID: 62022
           Summary: [4.10 regression] 27_io/basic_ofstream/pthread2.cc
                    FAILs
           Product: gcc
           Version: 4.10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
              Host: *-*-solaris2.1[01]
            Target: *-*-solaris2.1[01]
             Build: *-*-solaris2.1[01]

Between 20140725 (r213049) and 20140801 (r213453),
27_io/basic_ofstream/pthread2.cc started to FAIL on Solaris:

FAIL: 27_io/basic_ofstream/pthread2.cc execution test

(both 32 and 64-bit, sparc and x86, Solaris 10 and 11):

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 2 (LWP 2)]
0xfe4b2a26 in realfree () from /lib/libc.so.1
(gdb) where
#0  0xfe4b2a26 in realfree () from /lib/libc.so.1
#1  0xfe4b30f7 in cleanfree () from /lib/libc.so.1
#2  0xfe4b2509 in _malloc_unlocked () from /lib/libc.so.1
#3  0xfe4b2400 in malloc () from /lib/libc.so.1
#4  0xfe718c26 in operator new (sz=324)
    at /vol/gcc/src/hg/trunk/local/libstdc++-v3/libsupc++/new_op.cc:50
#5  0x0805138d in thread_main ()
    at
/vol/gcc/src/hg/trunk/local/libstdc++-v3/testsuite/27_io/basic_ofstream/pthread2.cc:36
#6  0xfe516a4c in _thrp_setup () from /lib/libc.so.1
#7  0xfe516cf0 in ?? () from /lib/libc.so.1
#8  0x00000000 in ?? ()

Only happens with current libstdc++.so, ok with 4.8 one provided by vendor.

  Rainer

[Bug libstdc++/62022] [4.10 regression] 27_io/basic_ofstream/pthread2.cc FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62022

Rainer Orth <ro at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.10.0

[Bug libstdc++/62022] [4.10 regression] 27_io/basic_ofstream/pthread2.cc FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62022

Rainer Orth <ro at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jason at gcc dot gnu.org
         Depends on|                            |62023

--- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> ---
This was caused by the same patch as PR libstdc++/62023.

  Rainer

[Bug libstdc++/62022] [5 regression] 27_io/basic_ofstream/pthread2.cc FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62022
Bug 62022 depends on bug 62023, which changed state.

Bug 62023 Summary: [5 regression] 30_threads/condition_variable_any/50862.cc FAILs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62023

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

[Bug libstdc++/62022] [5 regression] 27_io/basic_ofstream/pthread2.cc FAILs

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62022

Rainer Orth <ro at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Rainer Orth <ro at gcc dot gnu.org> ---
Vanished between 20140908 and 20140912, caused by the same patch as PR
libstdc++/62023.

  Rainer