Upload Kmake

deps/v8/test/mjsunit/regress/regress-5660.js

@@ -0,0 +1,41 @@
+// Copyright 2020 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: --turbofan --allow-natives-syntax
+
+(function() {
+  function test(a, b) {
+    return a === b;
+  }
+
+  %PrepareFunctionForOptimization(test);
+  assertTrue(test(undefined, undefined));
+  assertTrue(test(undefined, undefined));
+  %OptimizeFunctionOnNextCall(test);
+  assertTrue(test(undefined, undefined));
+})();
+
+(function() {
+  function test(a, b) {
+    return a === b;
+  }
+
+  %PrepareFunctionForOptimization(test);
+  assertTrue(test(true, true));
+  assertTrue(test(true, true));
+  %OptimizeFunctionOnNextCall(test);
+  assertFalse(test(true, 1));
+})();
+
+(function() {
+  function test(a, b) {
+      return a == b;
+  }
+
+  %PrepareFunctionForOptimization(test);
+  assertTrue(test(true, true));
+  assertTrue(test(true, true));
+  %OptimizeFunctionOnNextCall(test);
+  assertTrue(test(true, 1));
+})();