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[Bug c++/47541] [4.5/4.6 Regression] For integer pointers, the value of ++*p is not written back to memory
- 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: Mon, 31 Jan 2011 14:27:00 +0000
- Subject: [Bug c++/47541] [4.5/4.6 Regression] For integer pointers, the value of ++*p is not written back to memory
- Auto-submitted: auto-generated
- References: <bug-47541-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47541
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-31 14:26:39 UTC ---
It is tree dse1 that removes the needed increment (the only dse_optimize_stmt
optimized store in the whole testcase).