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[Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Sep 2010 10:47:20 -0000
- Subject: [Bug tree-optimization/45535] [4.6 regression] ICE during tree_ssa_dse
- References: <bug-45535-374@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from rguenth at gcc dot gnu dot org 2010-09-05 10:47 -------
Subject: Bug 45535
Author: rguenth
Date: Sun Sep 5 10:47:05 2010
New Revision: 163877
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163877
Log:
2010-09-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45535
* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
handle TMR_INDEX2. Make sure TMR_INDEX is not NULL before
dereferencing it.
(indirect_refs_may_alias_p): Likewise.
* gcc.c-torture/compile/pr45535.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr45535.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-alias.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45535