Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-371445202.js

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+// Copyright 2012 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: --expose-gc --allow-natives-syntax --verify-heap
+
+function foo() {
+  // The bytecode should have an ObjectBoilerplateDescription where the value is
+  // not necessarily an internalized string.
+  return {value: "abc" + "def"};
+}
+
+// Make sure "abcdef" already exists as an internalized string.
+%InternalizeString("abcdef");
+
+// Get the string out of the object, which should be the same string that is in
+// the ObjectBoilerplateDescription.
+let string = foo().value;
+
+// Internalizing this string should now create a ThinString.
+%InternalizeString(string);
+
+// Heap verification should be ok with this.
+gc();