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21 lines
952 B
21 lines
952 B
4 months ago
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// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
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union u { int i; unsigned : 3; };
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void f(union u);
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void test(int x) {
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f((union u)x); // expected-warning {{cast to union type is a GNU extension}}
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f((union u)&x); // expected-error {{cast to union type from type 'int *' not present in union}}
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f((union u)2U); // expected-error {{cast to union type from type 'unsigned int' not present in union}}
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}
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union u w = (union u)2; // expected-warning {{cast to union type is a GNU extension}}
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union u ww = (union u)1.0; // expected-error{{cast to union type from type 'double' not present in union}}
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union u x = 7; // expected-error{{initializing 'union u' with an expression of incompatible type 'int'}}
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int i;
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union 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}}
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struct s {int a, b;};
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struct s y = { 1, 5 };
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struct s z = (struct s){ 1, 5 };
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