Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-417508.js

@@ -0,0 +1,57 @@
+// Copyright 2014 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
+
+function foo(x) {
+  var k = "value";
+  return x[k] = 1;
+};
+%PrepareFunctionForOptimization(foo);
+var obj = {};
+Object.defineProperty(obj, 'value', {
+  set: function(x) {
+    throw 'nope';
+  }
+});
+try {
+  foo(obj);
+} catch (e) {
+}
+try {
+  foo(obj);
+} catch (e) {
+}
+%OptimizeFunctionOnNextCall(foo);
+try {
+  foo(obj);
+} catch (e) {
+}
+
+function bar(x) {
+  var k = "value";
+  return (x[k] = 1) ? "ok" : "nope";
+};
+%PrepareFunctionForOptimization(bar);
+var obj2 = {};
+Object.defineProperty(obj2, 'value', {
+  set: function(x) {
+    throw 'nope';
+    return true;
+  }
+});
+
+try {
+  bar(obj2);
+} catch (e) {
+}
+try {
+  bar(obj2);
+} catch (e) {
+}
+%OptimizeFunctionOnNextCall(bar);
+try {
+  bar(obj2);
+} catch (e) {
+}