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annotate gcc/testsuite/g++.dg/cpp1z/Wpessimizing-move1.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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1 // PR c++/86981
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2 // { dg-do compile { target c++17 } }
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3 // { dg-options "-Wpessimizing-move" }
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4
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5 #include <utility>
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6 #include <optional>
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7
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8 struct T {
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9 T() { }
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10 T(const T&) { }
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11 T(T&&) { }
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12 };
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13
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14 std::optional<T>
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15 fn ()
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16 {
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17 T t;
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18 return std::move (t);
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19 }