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[Bug c++/49338] wrong code with -O2 and -O3
- 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: Thu, 9 Jun 2011 08:47:59 +0000
- Subject: [Bug c++/49338] wrong code with -O2 and -O3
- Auto-submitted: auto-generated
- References: <bug-49338-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49338
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-09 08:47:44 UTC ---
You should read the standard or at least
http://gcc.gnu.org/onlinedocs/gcc-4.6.0/gcc/Optimize-Options.html#index-fstrict_002daliasing-824