[Bug middle-end/56098] [4.6/4.7/4.8 Regression] conditional write through volatile pointer produces unintended read

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56098



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



           What    |Removed                     |Added

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             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.