[Bug rtl-optimization/57300] [4.8/4.9 Regression] statement in expression miscompiled at -O3 in 32-bit mode

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57300

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 30130
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30130&action=edit
gcc49-pr57300.patch

Untested fix.