/* Test diagnostics for bad or doubtful casts. Test with no special options. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-std=gnu99" } */ struct s { int a; } sv; union u { int a; } uv; int i; long l; char c; void *p; float fv; void f (void) { (int []) p; /* { dg-error "cast specifies array type" } */ (int ()) p; /* { dg-error "cast specifies function type" } */ (struct s) sv; (union u) uv; (struct s) i; /* { dg-error "conversion to non-scalar type requested" } */ (union u) i; (union u) l; /* { dg-error "cast to union type from type not present in union" } */ (int) sv; /* { dg-error "aggregate value used where an integer was expected" } */ (int) uv; /* { dg-error "aggregate value used where an integer was expected" } */ (float) sv; /* { dg-error "aggregate value used where a float was expected" } */ (float) uv; /* { dg-error "aggregate value used where a float was expected" } */ (_Complex double) sv; /* { dg-error "aggregate value used where a complex was expected" } */ (_Complex double) uv; /* { dg-error "aggregate value used where a complex was expected" } */ (void *) sv; /* { dg-error "cannot convert to a pointer type" } */ (void *) uv; /* { dg-error "cannot convert to a pointer type" } */ (_Bool) sv; /* { dg-error "used struct type value where scalar is required" } */ (_Bool) uv; /* { dg-error "used union type value where scalar is required" } */ (void) sv; (const void) uv; (void *) c; /* { dg-warning "cast to pointer from integer of different size" } */ (void *) (char) 1; (char) p; /* { dg-warning "cast from pointer to integer of different size" } */ (char) (void *) 1; /* { dg-warning "cast from pointer to integer of different size" } */ }