[v8-test262-automation] Changes from https://github.com/v8/v8.git at sha...

[v8-test262-automation] Changes from https://github.com/v8/v8.git at sha ceacdcd0 on Tue Sep 18 2018 18:28:28 GMT+0000 (Coordinated Universal Time)

implementation-contributed/v8/mjsunit/compiler/regress-884052.js

+// Copyright 2018 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() {
+  var a = new Array(2);
+  for (var i = 1; i > -1; i = i - 2) {
+    if (i < a.length) a = new Array(i);
+  }
+}
+
+foo();
+%OptimizeFunctionOnNextCall(foo);
+foo();

implementation-contributed/v8/mjsunit/regress/regress-crbug-884933.js

+// Copyright 2018 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
+
+// Test Uint8 -> Word64 conversions.
+(function() {
+  function bar(x, y) {
+    return x + y;
+  }
+
+  bar(0.1, 0.2);
+  bar(0.1, 0.2);
+
+  function foo(dv) {
+    return bar(dv.getUint8(0, true), 0xFFFFFFFF);
+  }
+
+  const dv = new DataView(new ArrayBuffer(8));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(0xFFFFFFFF, foo(dv));
+})();
+
+// Test Int8 -> Word64 conversions.
+(function() {
+  function bar(x, y) {
+    return x + y;
+  }
+
+  bar(0.1, 0.2);
+  bar(0.1, 0.2);
+
+  function foo(dv) {
+    return bar(dv.getInt8(0, true), 0xFFFFFFFF);
+  }
+
+  const dv = new DataView(new ArrayBuffer(8));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(0xFFFFFFFF, foo(dv));
+})();
+
+// Test Uint16 -> Word64 conversions.
+(function() {
+  function bar(x, y) {
+    return x + y;
+  }
+
+  bar(0.1, 0.2);
+  bar(0.1, 0.2);
+
+  function foo(dv) {
+    return bar(dv.getUint16(0, true), 0xFFFFFFFF);
+  }
+
+  const dv = new DataView(new ArrayBuffer(8));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(0xFFFFFFFF, foo(dv));
+})();
+
+// Test Int16 -> Word64 conversions.
+(function() {
+  function bar(x, y) {
+    return x + y;
+  }
+
+  bar(0.1, 0.2);
+  bar(0.1, 0.2);
+
+  function foo(dv) {
+    return bar(dv.getInt16(0, true), 0xFFFFFFFF);
+  }
+
+  const dv = new DataView(new ArrayBuffer(8));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  assertEquals(0xFFFFFFFF, foo(dv));
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(0xFFFFFFFF, foo(dv));
+})();