re PR rtl-optimization/47414 (wrong code with -O -freorder-blocks…

re PR rtl-optimization/47414 (wrong code with -O -freorder-blocks -fschedule-insns2 -fno-early-inlining -fstrict-aliasing -ftracer)

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47414
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
	correct type for TBAA.

From-SVN: r169223

gcc/ChangeLog

+2011-01-25  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/47414
+	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
+	correct type for TBAA.
+
 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.

gcc/tree-ssa-alias.c

@@ -808,7 +808,8 @@ indirect_ref_may_alias_decl_p (tree ref1 ATTRIBUTE_UNUSED, tree base1,
     return aliasing_component_refs_p (ref1, TREE_TYPE (ptrtype1),
 				      ref1_alias_set, base1_alias_set,
 				      offset1, max_size1,
-				      ref2, TREE_TYPE (base2),
+				      ref2, TREE_TYPE
+				              (reference_alias_ptr_type (ref2)),
 				      ref2_alias_set, base2_alias_set,
 				      offset2, max_size2, true);