| // PR c++/44625 |
| // { dg-do compile } |
| // { dg-options "" } |
| // { dg-additional-options "-Wno-return-type" } |
| |
| template<typename FP_> struct Vec { // { dg-message "note" "" { target c++17_down } } |
| Vec& operator^=(Vec& rhs) { |
| union { |
| struct {FP_ x,y,z;}; // { dg-error "20:anonymous struct" } |
| }; |
| X = y*rhs.z() - z*rhs.y(); // { dg-error "not declared|no member" } |
| } |
| Vec& operator^(Vec& rhs) { |
| return Vec(*this)^=rhs; // { dg-message "required" } |
| } |
| }; |
| Vec<double> v(3,4,12); // { dg-error "no matching|too many initializers" } |
| Vec<double> V(12,4,3); // { dg-error "no matching|too many initializers" } |
| Vec<double> c = v^V; // { dg-message "required" } |
