| // PR c++/91391 - bogus -Wcomma-subscript warning. |
| // { dg-do compile { target c++20 } } |
| |
| template<typename T, typename U> |
| int foo(T t, U u) { return t + u; } |
| |
| void |
| fn (int *a, int b, int c) |
| { |
| a[foo<int, int>(1, 2)]; |
| a[foo<int, int>(1, 2), foo<int, int>(3, 4)]; // { dg-warning "24:top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-error "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| |
| a[b < c, b < c]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-error "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[b < c, b > c]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-error "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[b > c, b > c]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-error "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[b > c, b < c]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-error "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[(b < c, b < c)]; |
| a[(b < c, b > c)]; |
| a[b << c, b << c]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-error "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[(b << c, b << c)]; |
| } |
