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

[howarth at nitro dot med.uc.edu]

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

--- Comment #3 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-11-28 
19:16:25 UTC ---
Note, like PR51279, the testcases both ICE the compiler at -O1 -g
-funroll-loops but not at -O0 -g -funroll-loops on x86_64-apple-darwin11.