| // PR c++/102753 |
| // { dg-do compile { target c++20 } } |
| // { dg-options "" } |
| |
| struct S { |
| constexpr S () : s (0) {} |
| consteval int foo () { return 1; } |
| virtual consteval int bar () { return 2; } |
| int s; |
| }; |
| |
| consteval int foo () { return 42; } |
| consteval auto baz () { return foo; } |
| consteval auto qux () { return &S::foo; } |
| consteval auto corge () { return &S::bar; } |
| |
| constexpr int |
| bar () |
| { |
| S s; |
| if consteval { // { dg-warning "'if consteval' only available with" "" { target c++20_only } } |
| constexpr auto fn1 = foo; // { dg-error "immediate evaluation returns address of immediate function" } |
| constexpr auto fn2 = &foo; // { dg-error "immediate evaluation returns address of immediate function" } |
| constexpr auto fn3 = &S::foo; // { dg-error "immediate evaluation returns address of immediate function" } |
| constexpr auto fn4 = &S::bar; // { dg-error "immediate evaluation returns address of immediate function" } |
| constexpr auto fn5 = baz (); // { dg-error "immediate evaluation returns address of immediate function" } |
| constexpr auto fn6 = qux (); // { dg-error "immediate evaluation returns address of immediate function" } |
| constexpr auto fn7 = corge (); // { dg-error "immediate evaluation returns address of immediate function" } |
| return fn1 () + fn2 () + (s.*fn3) () + (s.*fn4) () + fn5 () + (s.*fn6) () + (s.*fn7) (); |
| } |
| return 0; |
| } |
| |
| auto a = bar (); |
