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diff gcc/testsuite/g++.dg/concepts/placeholder5.C @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/concepts/placeholder5.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,17 @@
+// { dg-options "-std=c++17 -fconcepts" }
+
+template <class T, class U>
+concept bool Same = __is_same_as(T, U);
+
+const int i = 0;
+template <class T>
+concept bool C =
+  requires {
+    { &i } -> const Same<T>*;
+  };
+
+template <C c>
+constexpr bool f() { return true; }
+
+static_assert(f<double>(), "");	// { dg-error "" }
+static_assert(f<int>(), "");