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Unified Diff: test/mjsunit/regress/regress-crbug-478612.js

Issue 1248293002: Version 4.4.63.23 (cherry-pick) (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@4.4
Patch Set: Created 5 years, 5 months ago
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Index: test/mjsunit/regress/regress-crbug-478612.js
diff --git a/test/mjsunit/regress/regress-crbug-478612.js b/test/mjsunit/regress/regress-crbug-478612.js
new file mode 100644
index 0000000000000000000000000000000000000000..3419722cd018d9c5757165a74b4109f0a7d97418
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-478612.js
@@ -0,0 +1,52 @@
+// Copyright 2015 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
+
+// This is used to force binary operations below to have tagged representation.
+var z = {valueOf: function() { return 3; }};
+
+
+function f() {
+ var y = -2;
+ return (1 & z) - y++;
+}
+
+assertEquals(3, f());
+assertEquals(3, f());
+%OptimizeFunctionOnNextCall(f);
+assertEquals(3, f());
+
+
+function g() {
+ var y = 2;
+ return (1 & z) | y++;
+}
+
+assertEquals(3, g());
+assertEquals(3, g());
+%OptimizeFunctionOnNextCall(g);
+assertEquals(3, g());
+
+
+function h() {
+ var y = 3;
+ return (3 & z) & y++;
+}
+
+assertEquals(3, h());
+assertEquals(3, h());
+%OptimizeFunctionOnNextCall(h);
+assertEquals(3, h());
+
+
+function i() {
+ var y = 2;
+ return (1 & z) ^ y++;
+}
+
+assertEquals(3, i());
+assertEquals(3, i());
+%OptimizeFunctionOnNextCall(i);
+assertEquals(3, i());
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