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From "Travis Vitek (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-847) [XLC++ 7,8,9] SEGV in 22.locale.time.get
Date Wed, 09 Apr 2008 19:23:24 GMT
[XLC++ 7,8,9] SEGV in 22.locale.time.get
----------------------------------------

                 Key: STDCXX-847
                 URL: https://issues.apache.org/jira/browse/STDCXX-847
             Project: C++ Standard Library
          Issue Type: Bug
          Components: Test Driver
    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.time.get.cpp|http://svn.apache.org/viewvc/stdcxx/trunk/tests/localization/22.locale.time.get.cpp?view=markup]
fails with a {{SIGSEGV}} in all build types.

This is the stack dump at the time of the crash.

{noformat}
Segmentation fault in __xisdigit at 0xd033cc00
0xd033cc00 (__xisdigit+0x14) 80a30000        lwz   r5,0x0(r3)
(dbx) where
__xisdigit(0x5b5b0000, 0x58) at 0xd033cc00
doformat(??, ??, ??, ??, ??, ??, ??, ??) at 0xd0338660
__strftime_std(??, ??, ??, ??, ??, ??, ??, ??) at 0xd0338464
strftime(??, ??, ??, ??) at 0xd0341c48
unnamed block in void test_english<char>(char,const char*,const char*)( = '\0', cname
= "char", locname = warning: Unable to access address 0x2006cbf8 from core
(invalid char ptr (0x2006cbf8))), line 933 in "22.locale.time.get.cpp"
void test_english<char>(char,const char*,const char*)( = '\0', cname = "char", locname
= warning: Unable to access address 0x2006cbf8 from core
(invalid char ptr (0x2006cbf8))), line 933 in "22.locale.time.get.cpp"
run_test(int,char**)( = 1,  = 0x2ff22a3c), line 1611 in "22.locale.time.get.cpp"
rw_vtest(int,char**,const char*,const char*,const char*,int(*)(int,char**),const char*,char*)(argc
= 1, argv = 0x2ff22a3c, file_name = "/amd/devco/vitek/stdcxx/trunk/tests/localization/22.locale.time.get.cpp",
clause = "lib.locale.time.get", comment = (nil), fun = 0x2005ec08, optstr = "", va = ""),
line 1040 in "driver.cpp"
rw_test(int,char**,const char*,const char*,const char*,int(*)(int,char**),const char*,...)(argc
= 1, argv = 0x2ff22a3c, fname = "/amd/devco/vitek/stdcxx/trunk/tests/localization/22.locale.time.get.cpp",
clause = "lib.locale.time.get", comment = (nil), testfun = 0x2005ec08, optstr = "", ... =
0x0), line 1138 in "driver.cpp"
main(argc = 1, argv = 0x2ff22a3c), line 1668 in "22.locale.time.get.cpp"
(dbx) list 920,940
  920       TEST (T (0, 0, 0, 1, 0, 100), "%x", 8, "x", 0, Eof);
  921   
  922       // exercise time (time_get::get_time())
  923       FUNCTION ("get_time");
  924   
  925       int len;
  926   
  927       {
  928           // determine whether "%X" is equivalent to "%I:%M:%S %p"
  929           // (e.g., HP-UX or Linux) or to "%I:%M:%S" (e.g., Compaq
  930           // Tru64 UNIX)
  931           char buf [128];
  932           const std::tm tmb = mktm (0, 0, 1);
  933           len = std::strftime (buf, sizeof buf, "%X", &tmb);
  934       }
  935   
  936       const int hour = 11 == len ? 12 : 0;
  937   
  938       TEST (T ( 0, 0,  0), "%X", len, "X", 0, 11 == len ? Good : Eof);
  939       TEST (T ( 0, 0,  1), "%X", len, "X", 0, 11 == len ? Good : Eof);
  940       TEST (T ( 0, 0, 11), "%X", len, "X", 0, 11 == len ? Good : Eof);
(dbx) quit
{noformat}

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