[Bug target/53358] [4.7/4.8 Regression] ICE due to TARGET_READ_MODIFY_WRITE peephole2

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53358

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-05-15 
10:13:52 UTC ---
Created attachment 27409
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27409
gcc47-pr53358.patch

Untested fix.