[Bug target/52086] [4.7 Regression] ICE caused by wrong peephole2 for QImode mem += reg followed by test

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52086

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-01 
22:01:04 UTC ---
Created attachment 26548
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26548
gcc47-pr52086.patch

Untested fix.