[Bug rtl-optimization/51014] [4.7 Regression] ICE: in apply_opt_in_copies, at loop-unroll.c:2283 with -O2 -g -funroll-loops

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51014

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-11-28 
20:12:10 UTC ---
Created attachment 25939
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25939
gcc47-pr51014.patch

Untested fix.