Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-1447430.js

@@ -0,0 +1,34 @@
+// 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
+
+var s = %CreatePrivateSymbol('x');
+
+(function TestSmi() {
+  function f(o, p) {
+    o[p] = 153;
+  }
+  (1).__proto__[s] = 42;
+  %PrepareFunctionForOptimization(f);
+  assertEquals(f(42, s), undefined);
+}());
+
+(function TestString() {
+  function f(o, p) {
+    o[p] = 153;
+  }
+  ('xyz').__proto__[s] = 42;
+  %PrepareFunctionForOptimization(f);
+  assertEquals(f('abc', s), undefined);
+}());
+
+(function TestSymbol() {
+  function f(o, p) {
+    o[p] = 153;
+  }
+  Symbol('xyz').__proto__[s] = 42;
+  %PrepareFunctionForOptimization(f);
+  assertEquals(f(Symbol('abc'), s), undefined);
+}());