[Bug middle-end/41317] folding causes strict aliasing violation
jakub at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Mon Nov 9 19:39:00 GMT 2009
------- Comment #5 from jakub at gcc dot gnu dot org 2009-11-09 19:38 -------
Subject: Bug 41317
Author: jakub
Date: Mon Nov 9 19:38:29 2009
New Revision: 154046
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=154046
Log:
PR middle-end/40946
Backport from mainline
2009-09-09 Richard Guenther <rguenther@suse.de>
PR middle-end/41317
* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
code dealing with plain pointer bases.
(maybe_fold_offset_to_reference): Likewise.
(maybe_fold_stmt_addition): Adjust.
PR middle-end/40946
* gcc.dg/pr40946.c: New test.
Backport from mainline
2009-09-09 Richard Guenther <rguenther@suse.de>
PR middle-end/41317
* gcc.c-torture/execute/pr41317.c: New testcase.
Added:
branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/execute/pr41317.c
branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr40946.c
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
branches/gcc-4_4-branch/gcc/tree-ssa-ccp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41317
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