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From "Martin Sebor (JIRA)" <>
Subject [jira] Created: (STDCXX-181) gcc 4.1/Solaris 9 SIGSEGV in printstack()
Date Tue, 16 May 2006 17:58:06 GMT
gcc 4.1/Solaris 9 SIGSEGV in printstack()

         Key: STDCXX-181
     Project: C++ Standard Library
        Type: Bug

  Components: External  
 Environment: gcc 4.1 (but not 4.0.2) on Solaris 9
    Reporter: Martin Sebor

-------- Original Message --------
Subject: [Bug c/27629]  New: SIGSEGV in printstack() on Solaris 9
Date: 16 May 2006 17:27:29 -0000
From: sebor at roguewave dot com <>

C and C++ programs compiled with gcc 4.1 die with a SIGSEGV in Solaris 9
printstack(). The same programs run successfully when compiled with 4.0.2 and
prior. If this is due to a Solaris bug it would be great if gcc could work
around it.

$ cat t.c && gcc -g t.c && ./a.out || gdb -q a.out
int printstack (int);

int main ()
    printstack (1);
Segmentation Fault (core dumped)
(gdb) run
Starting program: /tmp/a.out 

Program received signal SIGSEGV, Segmentation fault.
0xff2d6f24 in display_stack_info () from /usr/lib/
(gdb) where
#0  0xff2d6f24 in display_stack_info () from /usr/lib/
#1  0xff2d6a84 in walkcontext () from /usr/lib/
#2  0xff2d6fb4 in printstack () from /usr/lib/
#3  0x000105b4 in main () at t.c:5

           Summary: SIGSEGV in printstack() on Solaris 9
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: sebor at roguewave dot com
 GCC build triplet: sparc-sun-solaris2.9
  GCC host triplet: sparc-sun-solaris2.9
GCC target triplet: sparc-sun-solaris2.9

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