Upload Kmake

deps/v8/test/mjsunit/maglev/regress/regress-1454478.js

@@ -0,0 +1,23 @@
+// 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
+
+function Class(a1, a2) {
+  return a1 === a2;
+}
+function foo(x) {
+  const instance = new Class(x, x + 1);
+  if (instance) {
+  } else {
+    fail("ToBoolean of instance should not be false, even though the constructor returns false.")
+  }
+}
+
+%PrepareFunctionForOptimization(Class);
+%PrepareFunctionForOptimization(foo);
+foo(0);
+foo(0);
+%OptimizeMaglevOnNextCall(foo);
+foo(0);