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diff 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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp1z/Wpessimizing-move1.C	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,19 @@
+// PR c++/86981
+// { dg-do compile { target c++17 } }
+// { dg-options "-Wpessimizing-move" }
+
+#include <utility>
+#include <optional>
+
+struct T {
+  T() { }
+  T(const T&) { }
+  T(T&&) { }
+};
+
+std::optional<T>
+fn ()
+{
+  T t;
+  return std::move (t);
+}