Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-640497.js

@@ -0,0 +1,24 @@
+// 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 --turbo-escape
+
+// Warm up {g} with arrays and strings.
+function g(v) {
+  return v.length;
+}
+assertEquals(1, g("x"));
+assertEquals(2, g("xy"));
+assertEquals(1, g([1]));
+assertEquals(2, g([1, 2]));
+
+// Inline into {f}, where we see only an array.
+function f() {
+  assertEquals(0, g([]));
+};
+%PrepareFunctionForOptimization(f);
+f();
+f();
+%OptimizeFunctionOnNextCall(f);
+f();