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

[gjl at gcc dot gnu.org]

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

--- Comment #7 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-03-01 
16:54:58 UTC ---
(In reply to comment #6)
> This patch is ok for trunk if it passes testing, please get it in before
> tomorrow noon UTC.  Thanks.

The avr test suite passes fine with the patch :-)