/* Test that assignment of a read-only variable that gets const-ness from a read-only field is diagnosed. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "" } */ struct s { const int a; } x; typeof (x.a) b; void f (void) { x.a = 1; /* { dg-error "assignment of read-only member 'a'" } */ b = 1; /* { dg-error "assignment of read-only variable 'b'" } */ }