Upload Kmake

deps/v8/test/mjsunit/regress/regress-748069.js

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+// Copyright 2017 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.
+
+// This test gets very slow with slow asserts.
+// Flags: --noenable-slow-asserts
+
+try {
+  var a = 'a'.repeat(1 << 28);
+} catch (e) {
+  // If the allocation fails, we don't care, because we can't cause the
+  // overflow.
+}
+// Cause an overflow in worst-case calculation for string replacement.
+JSON.stringify(a);