[Interpreter] Handles legacy constants in strict mode.

test/mjsunit/regress/regress-599068-func-bindings.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+// Tests function bindings are correctly handled in ignition.
+(function f() {

[Michael Starzinger, 2016/04/04 12:02:24]

nit: Indentation within this function is off.

[mythria, 2016/04/11 10:10:05]

Done.

+function assignSloppy() {
+f = 0;
+}
+assertDoesNotThrow(assignSloppy);
+function assignStrict() {
+'use strict';
+f = 0;
+}
+assertThrows(assignStrict, TypeError);
+})();
+
+// Tests for compound assignments which are handled differently
+// in crankshaft.
+(function f() {
+ function assignSloppy() {
+   f += "x";
+ }
+ assertDoesNotThrow(assignSloppy);
+ assertDoesNotThrow(assignSloppy);
+ %OptimizeFunctionOnNextCall(assignSloppy);
+ assertDoesNotThrow(assignSloppy);
+ function assignStrict() {
+   'use strict';
+   f += "x";
+ }
+ assertThrows(assignStrict, TypeError);
+ assertThrows(assignStrict, TypeError);
+ %OptimizeFunctionOnNextCall(assignStrict);
+ assertThrows(assignStrict, TypeError);
+})();