http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44913
--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-14 15:51:22 UTC --- Author: rguenth Date: Thu Oct 14 15:51:15 2010 New Revision: 165473 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165473 Log: 2010-10-14 Richard Guenther <rguent...@suse.de> PR tree-optimization/44913 * tree-data-ref.c (disjoint_objects_p): Remove. (dr_may_alias_p): Simplify. Only hand the base object to the alias-oracle. * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle some more trees, bail out instead of asserting. (ptr_derefs_may_alias_p): Likewise. Export. (refs_may_alias_p_1): Handle STRING_CSTs. * tree-ssa-alias.h (ptr_derefs_may_alias_p): Declare. * gcc.dg/torture/pr44913.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr44913.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-data-ref.c trunk/gcc/tree-ssa-alias.c trunk/gcc/tree-ssa-alias.h