re PR bootstrap/58521 (bootstrap failure: ICE in mem_ref_in_stmt, at tree-ssa-loop-im.c:677)

2013-09-25  Richard Biener  <rguenther@suse.de>

	PR middle-end/58521
	* tree.c (iterative_hash_expr): Remove MEM_REF special handling.

From-SVN: r202889

gcc/ChangeLog

+2013-09-25  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/58521
+	* tree.c (iterative_hash_expr): Remove MEM_REF special handling.
+
 2013-09-25  Jan Hubicka  <jh@suse.cz>
 
 	* cgraph.c (cgraph_resolve_speculation): Use semantical equivalency

gcc/tree.c

@@ -7280,21 +7280,6 @@ iterative_hash_expr (const_tree t, hashval_t val)
 	  }
 	return val;
       }
-    case MEM_REF:
-      {
-	/* The type of the second operand is relevant, except for
-	   its top-level qualifiers.  */
-	tree type = TYPE_MAIN_VARIANT (TREE_TYPE (TREE_OPERAND (t, 1)));
-
-	val = iterative_hash_object (TYPE_HASH (type), val);
-
-	/* We could use the standard hash computation from this point
-	   on.  */
-	val = iterative_hash_object (code, val);
-	val = iterative_hash_expr (TREE_OPERAND (t, 1), val);
-	val = iterative_hash_expr (TREE_OPERAND (t, 0), val);
-	return val;
-      }
     case FUNCTION_DECL:
       /* When referring to a built-in FUNCTION_DECL, use the __builtin__ form.
 	 Otherwise nodes that compare equal according to operand_equal_p might