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[Bug tree-optimization/38645] [4.4 Regression] ICE with volatile
- 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: 30 Dec 2008 21:21:33 -0000
- Subject: [Bug tree-optimization/38645] [4.4 Regression] ICE with volatile
- References: <bug-38645-1771@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 2008-12-30 21:21 -------
Subject: Bug 38645
Author: rguenth
Date: Tue Dec 30 21:20:08 2008
New Revision: 142967
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142967
Log:
2008-12-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38645
* tree-ssa-ccp.c (fold_gimple_assign): Use the correct pointer
type.
* tree-ssa-dom.c (cprop_operand): Simplify. Do not propagate
volatileness changing operands.
* gcc.dg/pr38645.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr38645.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
trunk/gcc/tree-ssa-dom.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38645