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 {{cast to union type is a GNU extension}}
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 {{cast to union type is a GNU extension}}
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 {{cast to union type is a GNU extension}}
17
18struct s {int a, b;};
19struct s y = { 1, 5 };
20struct s z = (struct s){ 1, 5 };
21