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Message-ID: <482DFD52.7080006@roguewave.com>
Date: Fri, 16 May 2008 15:32:02 -0600
From: Martin Sebor <sebor@roguewave.com>
Organization: Rogue Wave Software, Inc.
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To: dev@stdcxx.apache.org
Subject: Re: [jira] Resolved: (STDCXX-938) [aCC 363/HP 11.11] SEGV in
 22.locale.*.mt
References: <1558644366.1210973275764.JavaMail.jira@brutus>
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Sender: Martin Sebor <msebor@gmail.com>

Travis Vitek (JIRA) wrote:
>      [ https://issues.apache.org/jira/browse/STDCXX-938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
> 
[...]
>> I've reduced the problem to the following testcase...

I haven't looked at it very closely -- is this a compiler bug?

Martin

>> {noformat}
>> [vitek@jenga tests]$ cat t.cpp; aCC -g t.cpp; gdb a.out
>> extern "C" {
>>   typedef void rw_signal_handler_t (int);
>> }
>> rw_signal_handler_t* const rw_sig_ign = (rw_signal_handler_t*)-2;
>> unsigned rw_alarm (rw_signal_handler_t* handler)
>> {
>>   if (rw_sig_ign == handler) {
>>     return 4;
>>   }
>>   else if (handler) {
>>     return 5;
>>   }
>>   return 0;
>> }
>> extern "C" {
>>   void my_signal_handler (int) { }
>> }
>> int main ()
>> {
>>   rw_alarm (my_signal_handler);
>>   return 0;
>> }
>> HP gdb 5.0 for PA-RISC 1.1 or 2.0 (narrow), HP-UX 11.00
>> and target hppa1.1-hp-hpux11.00.
>> Copyright 1986 - 2001 Free Software Foundation, Inc.
>> Hewlett-Packard Wildebeest 5.0 (based on GDB) is covered by the
>> GNU General Public License. Type "show copying" to see the conditions to
>> change it and/or distribute copies. Type "show warranty" for warranty/support.
>> ..
>> (gdb) run
>> Starting program: /build/vitek/4.2.2/12s/tests/a.out 
>> Program received signal SIGSEGV, Segmentation fault
>>   si_code: 0 - SEGV_UNKNOWN - Unknown Error.
>> 0x2d60 in rw_alarm (handler=0x4000113a <my_signal_handler>) at t.cpp:9
>> 9         if (rw_sig_ign == handler) {
>> (gdb) where
>> #0  0x2d60 in rw_alarm (handler=0x4000113a <my_signal_handler>) at t.cpp:9
>> #1  0x2df0 in main () at t.cpp:26
>> {noformat}
>