--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-union2.C Mon May 25 07:50:57 2020 +0900 @@ -0,0 +1,9 @@ +// { dg-do compile { target c++14 } } + +union U +{ + char *x = &y; + char y; +}; + +constexpr U u = {};