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From "Travis Vitek (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-845) [XLC++ 7,8,9] SEGV in 22.locale.messages.mt
Date Wed, 09 Apr 2008 17:21:24 GMT
[XLC++ 7,8,9] SEGV in 22.locale.messages.mt
-------------------------------------------

                 Key: STDCXX-845
                 URL: https://issues.apache.org/jira/browse/STDCXX-845
             Project: C++ Standard Library
          Issue Type: Bug
          Components: Locales
    Affects Versions: 4.2.1
         Environment: AIX 5.3 PowerPC IBM XLC++ 9.0 
AIX 5.3 PowerPC IBM XLC++ 8.0 
AIX 5.3 PowerPC IBM XLC++ 7.0 
            Reporter: Travis Vitek
             Fix For: 4.2.1


On AIX, when compiled with XLC++ the test 22.locale.messages.mt fails with {{SIGSEGV}} or
{{SIGABRT}}.

{{SIGSEGV}} on XLC++ 7.0 for 12a, 12d
{{SIGABRT}} on XLC++ 7.0 for 15a, 15s, 15S

{{SIGSEGV}} on XLC++ 8.0 for 12a, 12d, 12D, 15a, 15A
{{SIGABRT}} on XLC++ 8.0 for 15S

{{SIGSEGV}} on XLC++ 9.0 for 12a, 15a, 15A
{{SIGABRT}} on XLC++ 9.0 for 15s

Here is the output for a 12S build...

{noformat}
$ dbx 22.locale.messages.mt 
# INFO (S1) (10 lines):
# TEXT: 
# COMPILER: IBM VisualAge C++, __IBMCPP__ = 900
# ENVIRONMENT: powerpc/LP64 running aix-5.3
# FILE: 22.locale.messages.mt.cpp
# COMPILED: Apr  9 2008, 16:38:10
# COMMENT: thread safety
############################################################

# CLAUSE: lib.locale.messages

# NOTE (S2) (5 lines):
# TEXT: executing "gencat rwstdmessages.cat rwstdmessages.msg"
# CLAUSE: lib.locale.messages
# FILE: process.cpp
# LINE: 279

# INFO (S1) (3 lines):
# TEXT: testing std::messages<charT> with 8 threads, 100000 iterations each
# CLAUSE: lib.locale.messages

# INFO (S1) (3 lines):
# TEXT: exercising std::messages<char>
# CLAUSE: lib.locale.messages

Segmentation fault (core dumped)
$ dbx 22.locale.messages.mt 
Type 'help' for help.
[using memory image in core]
reading symbolic information ...

Segmentation fault in strchr.strchr at 0x900000000048ec0 ($t2)
0x900000000048ec0 (strchr+0x140) 8d230001       lbzu   r9,0x1(r3)
(dbx) where
strchr.strchr() at 0x900000000048ec0
_C_get_std_facet(__rw::__rw_facet::_C_facet_type,__rw::__rw_facet*(*)(unsigned long,const
char*)) const() at 0x100027970
__rw_get_facet_by_id__4__rwFRCQ2_3std6localeRCQ2_4__rw13__rw_facet_idPCQ2_3std7codecvtXTcTcTPc_@AF18_13()
at 0x100070e54
do_get__Q2_3std8messagesXTc_CFiN21RCQ2_3std12basic_stringXTcTQ2_3std11char_traitsXTc_TQ2_3std9allocatorXTc__()
at 0x1000373ec
get__Q2_3std8messagesXTc_CFiN21RCQ2_3std12basic_stringXTcTQ2_3std11char_traitsXTc_TQ2_3std9allocatorXTc__()
at 0x100037178
22.locale.messages.mt.void test_get<char>(const std::messages<char>&,int,int,int,const
std::basic_string<char,std::char_traits<char>,std::allocator<char> >&)(msgs
= &(...), cat = 0, set = 4, msgid = 4, dflt = &(...)), line 153 in "22.locale.messages.mt.cpp"
unnamed block in thread_func(void*)( = 0x0ffffffffffff2e0), line 189 in "22.locale.messages.mt.cpp"
thread_func(void*)( = 0x0ffffffffffff2e0), line 189 in "22.locale.messages.mt.cpp"
(dbx) quit
{noformat}

This is a new test for 4.2.1, so it is a regression.

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