Upload Kmake

deps/v8/test/mjsunit/maglev/regress-crbug-1445286.js

@@ -0,0 +1,28 @@
+// Copyright 2023 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 --maglev
+
+const floats = new Float64Array(10);
+function f(proto) {
+  const o = {
+      __proto__: proto,
+  };
+  o.h = 1601;
+  o.name;
+  [v0, ...rest] = floats;
+  return o;
+}
+
+%PrepareFunctionForOptimization(f);
+
+for (let i = 0; i < 20; ++i) {
+  f();
+  const o = f({});
+  o.h = v0;
+}
+
+%OptimizeMaglevOnNextCall(f);
+
+f();