Upload Kmake

deps/v8/test/mjsunit/turboshaft/strict-equals-receiver-or-null-or-undefined.js

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+// Copyright 2025 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 --turbolev --turbofan --no-always-turbofan
+
+function strictEquals(a, b) {
+  return a === b;
+}
+
+%PrepareFunctionForOptimization(strictEquals);
+
+// Add the ReceiverOrNullOrUndefined feedback.
+strictEquals({}, null);
+
+%OptimizeFunctionOnNextCall(strictEquals);
+
+const normalObject = {};
+const undetectable = %GetUndetectable();
+
+assertTrue(strictEquals(null, null));
+assertFalse(strictEquals(null, undefined));
+assertFalse(strictEquals(null, normalObject));
+assertFalse(strictEquals(null, undetectable));
+
+assertFalse(strictEquals(undefined, null));
+assertTrue(strictEquals(undefined, undefined));
+assertFalse(strictEquals(undefined, normalObject));
+assertFalse(strictEquals(undefined, undetectable));
+
+assertFalse(strictEquals(normalObject, null));
+assertFalse(strictEquals(normalObject, undefined));
+assertTrue(strictEquals(normalObject, normalObject));
+assertFalse(strictEquals(normalObject, {}));
+assertFalse(strictEquals(normalObject, undetectable));
+
+assertFalse(strictEquals(undetectable, null));
+assertFalse(strictEquals(undetectable, undefined));
+assertFalse(strictEquals(undetectable, normalObject));
+assertTrue(strictEquals(undetectable, undetectable));
+
+assertOptimized(strictEquals);
+
+// Passing an unexpected object deopts.
+assertFalse(strictEquals({}, ""));
+assertUnoptimized(strictEquals);