Upload Kmake

deps/v8/test/mjsunit/regress/regress-784862.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 triggers table allocation in large object space. We don't care
+// about the result as long as we don't crash.
+const array = new Array();
+array[0x80000] = 1;
+array.unshift({});
+assertThrows(() => new WeakMap(array));