--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/ext/builtin12.C Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,10 @@ +// PR c++/85113 +// { dg-do compile { target c++14 } } + +template<bool> struct A {}; + +constexpr int foo() +{ + A<__builtin_constant_p(0)> a{}; + return 0; +}