invoke.texi: Document -std=c++17 and -std=gnu++17 and document c++1z and gnu++1z...

[thirdparty/gcc.git] / gcc / testsuite / g++.dg / concepts / fn4.C

diff --git a/gcc/testsuite/g++.dg/concepts/fn4.C b/gcc/testsuite/g++.dg/concepts/fn4.C
index 9fa5790fd5e95efc6d28deacefae6f8b060094ff..ecc3d7b1beebee8a12a418c93a9c866045496ea5 100644 (file)
--- a/gcc/testsuite/g++.dg/concepts/fn4.C
+++ b/gcc/testsuite/g++.dg/concepts/fn4.C
@@ -1,4 +1,4 @@
-// { dg-options "-std=c++1z -fconcepts" }
+// { dg-options "-std=c++17 -fconcepts" }
 
 template<typename T>
   concept bool C() { return __is_class(T); }