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[Bug tree-optimization/47391] [4.5/4.6 Regression] read from const volatile incorrectly eliminated
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 21 Jan 2011 08:29:07 +0000
- Subject: [Bug tree-optimization/47391] [4.5/4.6 Regression] read from const volatile incorrectly eliminated
- Auto-submitted: auto-generated
- References: <bug-47391-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47391
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
Known to work| |4.4.5
Summary|read from const volatile |[4.5/4.6 Regression] read
|incorrectly eliminated |from const volatile
| |incorrectly eliminated
Known to fail| |4.5.2, 4.6.0
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-21 08:28:20 UTC ---
4.5 actually miscompiles this too, 4.4 works.