[Bug tree-optimization/52255] [4.7 Regression] ICE: verify_ssa failed, block does not dominate use

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52255

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-15 
19:20:55 UTC ---
Created attachment 26667
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26667
gcc47-pr52255.patch

Untested fix.