Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/g++.dg/concepts/iconv1.C @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 // PR c++/67240
kono
parents:
diff changeset
2 // { dg-options "-std=c++17 -fconcepts" }
kono
parents:
diff changeset
3
kono
parents:
diff changeset
4 int foo(int x)
kono
parents:
diff changeset
5 {
kono
parents:
diff changeset
6 return x;
kono
parents:
diff changeset
7 }
kono
parents:
diff changeset
8
kono
parents:
diff changeset
9 template <typename T>
kono
parents:
diff changeset
10 concept bool C1 = requires (T x) {
kono
parents:
diff changeset
11 {foo(x)} -> int&;
kono
parents:
diff changeset
12 };
kono
parents:
diff changeset
13
kono
parents:
diff changeset
14 template <typename T>
kono
parents:
diff changeset
15 concept bool C2 = requires (T x) {
kono
parents:
diff changeset
16 {foo(x)} -> void;
kono
parents:
diff changeset
17 };
kono
parents:
diff changeset
18
kono
parents:
diff changeset
19 static_assert( C1<int> ); // { dg-error "assert" }
kono
parents:
diff changeset
20 static_assert( C2<int> ); // { dg-error "assert" }