1 // PR c++/20153
2 
3 template <typename T>
4 void
foo()5 foo()
6 {
7   union { struct { }; }; // { dg-error "18:ISO C\\+\\+ prohibits anonymous struct" }
8   // { dg-error "18:anonymous struct not inside" "not inside" { target *-*-* } .-1 }
9 }
10