re PR tree-optimization/66768 (address space gets lost on literal pointer)

PR tree-opt/66768

        * tree-ssa-address.c (create_mem_ref_raw): Use a pointer of
        the correct type for the base.

From-SVN: r229997

gcc/ChangeLog

+2015-11-09  Richard Henderson  <rth@redhat.com>
+
+	PR tree-opt/66768
+	* tree-ssa-address.c (create_mem_ref_raw): Use a pointer of
+	the correct type for the base.
+
 2015-11-09  Jeff Law  <law@redhat.com>
 
 	* tree-into-ssa.c (names_to_release): No longer static.

gcc/tree-ssa-address.c

@@ -377,7 +377,7 @@ create_mem_ref_raw (tree type, tree alias_ptr_type, struct mem_address *addr,
     }
   else
     {
-      base = build_int_cst (ptr_type_node, 0);
+      base = build_int_cst (build_pointer_type (type), 0);
       index2 = addr->base;
     }