Re: c++/8047: [i386] Stack corruption with exceptions

[Colin Burgess <cburgess@qnx.com>]

The following reply was made to PR c++/8047; it has been noted by GNATS.

From: Colin Burgess <cburgess@qnx.com>
To: wagner@rtna.daimlerchrysler.com, king@rtna.daimlerchrysler.com,
        nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org,
        schroedl@rtna.daimlerchrysler.com, gcc-prs@gcc.gnu.org,
        kloeckner@rtna.daimlerchrysler.com
Cc:  
Subject: Re: c++/8047: [i386] Stack corruption with exceptions
Date: Tue, 04 Feb 2003 15:58:45 -0500

 Hey guys, I think I saw this already.  See 
 http://gcc.gnu.org/ml/gcc-bugs/2001-12/msg00522.html
 
 You can check it by seeing if -fno-defer-pop helps the problem.  If so, 
 then here is a patch for 2.95.3
 
 Index: except.c
 ===================================================================
 RCS file: /product/tools/gcc/gcc/cp/except.c,v
 retrieving revision 1.1
 retrieving revision 1.2
 diff -c -r1.1 -r1.2
 *** except.c    28 Feb 2001 18:54:56 -0000      1.1
 --- except.c    12 Dec 2001 18:03:07 -0000      1.2
 ***************
 *** 1135,1140 ****
 --- 1135,1143 ----
         expand_expr (exp, const0_rtx, VOIDmode, EXPAND_NORMAL);
       }
 
 +   /* make sure we have cleaned up the stack */
 +   do_pending_stack_adjust();
 +
     expand_internal_throw ();
   }
 
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8047