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Subject: [Bug middle-end/56098] [4.6/4.7/4.8 Regression] conditional write through volatile pointer produces unintended read
Date: Fri, 25 Jan 2013 15:35:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56098

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-25 15:34:58 UTC ---
Created attachment 29275
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29275
gcc48-pr56098.patch

Untested fix.