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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/46315] [4.5 Regression] gcc-4.5.1 -O2 -fno-strict-overflow causes bad code generation
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46315

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.11.05 16:43:32
      Known to work|                            |4.4.4, 4.6.0
   Target Milestone|---                         |4.5.2
            Summary|gcc-4.5.1 -O2               |[4.5 Regression] gcc-4.5.1
                   |-fno-strict-overflow causes |-O2 -fno-strict-overflow
                   |bad code generation         |causes bad code generation
     Ever Confirmed|0                           |1
      Known to fail|                            |4.5.0, 4.5.1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-05 16:43:32 UTC ---
Confirmed.