[Bug rtl-optimization/57921] Alias change causes perl from SPEC 2006 to abort on MIPS

[sje at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57921

--- Comment #2 from Steve Ellcey <sje at gcc dot gnu.org> ---
Created attachment 30519
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30519&action=edit
Test case cut down from perl benchmark in SPEC 2006