[Bug rtl-optimization/52983] [4.8 Regression] internal compiler error: in df_uses_record, at df-scan.c:3243

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52983

--- Comment #4 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-04-30 
12:15:44 UTC ---
Created attachment 27267
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27267
Proposed patch to fix the problem (testing)

Here's the patch.  It's much larger than needed, but since a number of people
have suggested moving debug insn-related stuff to a separate file, I did it.