[Bug rtl-optimization/52417] [4.7 Regression] Infinite recursion in DSE/alias.c

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52417

--- Comment #3 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-03-01 
03:29:45 UTC ---
Created attachment 26796
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26796
Patch that seems to cure the problem

I'm not very happy about this patch, but...  It's what I got ATM.