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