[Bug debug/52048] [4.7 Regression] -fcompare-debug failure with -O2 -fcompare-debug -fnon-call-exceptions -fno-tree-dominator-opts

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52048

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-30 
09:02:33 UTC ---
Created attachment 26514
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26514
gcc47-pr52048.patch

Untested fix.