25 lines
789 B
JavaScript
25 lines
789 B
JavaScript
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// Copyright 2012 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Flags: --expose-gc --allow-natives-syntax --verify-heap
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function foo() {
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// The bytecode should have an ObjectBoilerplateDescription where the value is
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// not necessarily an internalized string.
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return {value: "abc" + "def"};
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}
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// Make sure "abcdef" already exists as an internalized string.
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%InternalizeString("abcdef");
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// Get the string out of the object, which should be the same string that is in
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// the ObjectBoilerplateDescription.
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let string = foo().value;
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// Internalizing this string should now create a ThinString.
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%InternalizeString(string);
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// Heap verification should be ok with this.
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gc();
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