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[Bug middle-end/42577] [4.4/4.5 Regression] array bounds false positive with -O3, goes away with -O2
- 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: 2 Jan 2010 16:41:25 -0000
- Subject: [Bug middle-end/42577] [4.4/4.5 Regression] array bounds false positive with -O3, goes away with -O2
- References: <bug-42577-8137@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 2010-01-02 16:41 -------
It's at least a regression towards where we didn't have array bound warnings.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |diagnostic
Summary|array bounds false positive |[4.4/4.5 Regression] array
|with -O3, goes away with -O2|bounds false positive with -
| |O3, goes away with -O2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42577