[Bug middle-end/42577] [4.4/4.5 Regression] array bounds false positive with -O3, goes away with -O2
rguenth at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Sat Jan 2 19:15:00 GMT 2010
------- Comment #6 from rguenth at gcc dot gnu dot org 2010-01-02 19:15 -------
Subject: Bug 42577
Author: rguenth
Date: Sat Jan 2 19:14:52 2010
New Revision: 155577
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155577
Log:
2010-01-02 Richard Guenther <rguenther@suse.de>
PR middle-end/42577
* tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
(simplify_switch_using_ranges): Mark to be removed edges
as non-executable.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42577
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