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[Bug middle-end/45819] [4.5 Regression] unexpected unaligned access to volatile int
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 22 Jul 2011 12:20:27 +0000
- Subject: [Bug middle-end/45819] [4.5 Regression] unexpected unaligned access to volatile int
- Auto-submitted: auto-generated
- References: <bug-45819-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45819
--- Comment #12 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-22 12:19:25 UTC ---
Author: rguenth
Date: Fri Jul 22 12:19:21 2011
New Revision: 176624
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176624
Log:
2011-07-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45819
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
preserve volatile and notrap flags.
* gcc.dg/pr45819.c: New testcase.
Added:
branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr45819.c
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
branches/gcc-4_6-branch/gcc/tree-ssa-forwprop.c