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[Bug middle-end/31127] [4.3 regression] ICE in cse_find_path, at cse.c:5930
- From: "aoliva at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Mar 2007 01:45:54 -0000
- Subject: [Bug middle-end/31127] [4.3 regression] ICE in cse_find_path, at cse.c:5930
- References: <bug-31127-231@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from aoliva at gcc dot gnu dot org 2007-03-14 01:45 -------
Subject: Bug 31127
Author: aoliva
Date: Wed Mar 14 01:45:39 2007
New Revision: 122900
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122900
Log:
gcc/ChangeLog:
PR middle-end/31127
* cse.c (cse_find_path): Do not bail out if a basic block that
we already visited now becomes part of a path that starts at a
different basic block. Just disallow this, to make sure we
visit each basic block at most once.
gcc/testsuite/ChangeLog:
PR middle-end/31127
* gcc.dg/pr31127.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/pr31127.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cse.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31127