Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-1421451.js

@@ -0,0 +1,19 @@
+// 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.
+
+const ab = new ArrayBuffer(1000, {"maxByteLength": 1000});
+const ta = new Int16Array(ab);
+
+let mapperCallCount = 0;
+function evilMapper() {
+  ++mapperCallCount;
+  ab.resize(0);
+}
+
+function evilCtor() {
+  return ta;
+}
+
+Float64Array.from.call(evilCtor, [0, 1], evilMapper);
+assertEquals(2, mapperCallCount);