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comparison gcc/testsuite/g++.dg/cpp1z/Wpessimizing-move1.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 // PR c++/86981
2 // { dg-do compile { target c++17 } }
3 // { dg-options "-Wpessimizing-move" }
4
5 #include <utility>
6 #include <optional>
7
8 struct T {
9 T() { }
10 T(const T&) { }
11 T(T&&) { }
12 };
13
14 std::optional<T>
15 fn ()
16 {
17 T t;
18 return std::move (t);
19 }