[Bug rtl-optimization/55547] [4.8 Regression] Alias analysis does not handle AND addresses correctly

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55547

--- Comment #9 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2013-01-16 04:31:38 UTC ---
Author: aoliva
Date: Wed Jan 16 04:31:30 2013
New Revision: 195227

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195227
Log:
PR rtl-optimization/55547
PR rtl-optimization/53827
PR debug/53671
PR debug/49888
* alias.c (memrefs_conflict_p): Set sizes to negative after
AND adjustments.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/alias.c