| // PR c++/91338 - P1161R3: Deprecate a[b,c]. |
| // { dg-do compile { target c++11 } } |
| // { dg-options "-Wcomma-subscript" } |
| |
| struct S { |
| int operator,(int) { return 42; } |
| }; |
| |
| void |
| fn (int *a, int b, int c) |
| { |
| a[b,c]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-warning "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[(b,c)]; |
| |
| a[(void) b, c]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-warning "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[((void) b, c)]; |
| |
| a[(void) b, (void) c, (void) b, b]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-warning "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[((void) b, (void) c, (void) b, b)]; |
| |
| a[S(), 10]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-warning "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[(S(), 10)]; |
| |
| a[int{(1,2)}]; |
| a[int{(1,2)}, int{}]; // { dg-warning "top-level comma expression in array subscript is deprecated" "" { target c++20_down } } |
| // { dg-warning "top-level comma expression in array subscript changed meaning in" "" { target c++23 } .-1 } |
| a[(int{(1,2)}, int{})]; |
| } |
