1// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s 2 3union u { int i; unsigned : 3; }; 4void f(union u); 5 6void test(int x) { 7 f((union u)x); // expected-warning {{C99 forbids casts to union type}} 8 f((union u)&x); // expected-error {{cast to union type from type 'int *' not present in union}} 9 f((union u)2U); // expected-error {{cast to union type from type 'unsigned int' not present in union}} 10} 11 12union u w = (union u)2; // expected-warning {{C99 forbids casts to union type}} 13union u ww = (union u)1.0; // expected-error{{cast to union type from type 'double' not present in union}} 14union u x = 7; // expected-error{{initializing 'union u' with an expression of incompatible type 'int'}} 15int i; 16union u zz = (union u)i; // expected-error{{initializer element is not a compile-time constant}} expected-warning {{C99 forbids casts to union type}} 17 18struct s {int a, b;}; 19struct s y = { 1, 5 }; 20struct s z = (struct s){ 1, 5 }; 21