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e4e3e6a5bf
Enums without an explicit, fixed, underlying type are implicitly given a fixed 'int' type for ABI compatibility with MSVC. However, we can enforce the standard-mandated rules on these types as-if we didn't know this fact if the tag is not part of a definition. llvm-svn: 249667
15 lines
502 B
C
15 lines
502 B
C
// RUN: %clang_cc1 -fsyntax-only %s -verify
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// PR5692
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enum x; // expected-note {{forward declaration}}
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extern struct y a; // expected-note {{forward declaration}}
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extern union z b; // expected-note 2 {{forward declaration}}
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void foo() {
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(enum x)1; // expected-error {{cast to incomplete type}}
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(struct y)a; // expected-error {{cast to incomplete type}}
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(union z)b; // expected-error {{cast to incomplete type}}
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(union z)1; // expected-error {{cast to incomplete type}}
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}
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