--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/diagnostic/auto1.C Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,4 @@ +// PR c++/86915 +// { dg-do compile { target c++17 } } + +template<auto [1]> struct S; // { dg-error "creating array of .auto." }