http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55547
--- Comment #13 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2013-01-18 10:57:50 UTC --- Author: aoliva Date: Fri Jan 18 10:57:36 2013 New Revision: 195289 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195289 Log: PR rtl-optimization/55547 PR rtl-optimization/53827 PR debug/53671 PR debug/49888 * alias.c (offset_overlap_p): New, factored out of... (memrefs_conflict_p): ... this. Use absolute sizes. Retain the conservative special case for symbolic constants. Don't adjust zero sizes on alignment. Modified: trunk/gcc/ChangeLog trunk/gcc/alias.c