24 lines
632 B
C++
24 lines
632 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// <optional>
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// A program that necessitates the instantiation of template optional for a
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// reference type is ill-formed.
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#include <experimental/optional>
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int main()
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{
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using std::experimental::optional;
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optional<int&&> opt;
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}
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