| 1 | // RUN: %clang_cc1 %s -fobjc-runtime=macosx-fragile-10.5 -fsyntax-only -verify |
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| 2 | |
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| 3 | @interface X |
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| 4 | { |
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| 5 | int a : -1; // expected-error{{bit-field 'a' has negative width}} |
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| 6 | |
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| 7 | // rdar://6081627 |
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| 8 | int b : 33; // expected-error{{width of bit-field 'b' (33 bits) exceeds width of its type (32 bits)}} |
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| 9 | |
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| 10 | int c : (1 + 0.25); // expected-error{{expression is not an integer constant expression}} |
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| 11 | int d : (int)(1 + 0.25); |
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| 12 | |
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| 13 | // rdar://6138816 |
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| 14 | int e : 0; // expected-error {{bit-field 'e' has zero width}} |
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| 15 | } |
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| 16 | @end |
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| 17 | |
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| 18 | @interface Base { |
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| 19 | int i; |
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| 20 | } |
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| 21 | @end |
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| 22 | |
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| 23 | @interface WithBitFields: Base { |
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| 24 | void *isa; // expected-note {{previous definition is here}} |
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| 25 | unsigned a: 5; |
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| 26 | signed b: 4; |
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| 27 | int c: 5; // expected-note {{previous definition is here}} |
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| 28 | } |
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| 29 | @end |
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| 30 | |
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| 31 | @implementation WithBitFields { |
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| 32 | char *isa; // expected-error {{instance variable 'isa' has conflicting type: 'char *' vs 'void *'}} |
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| 33 | unsigned a: 5; |
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| 34 | signed b: 4; |
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| 35 | int c: 3; // expected-error {{instance variable 'c' has conflicting bit-field width}} |
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| 36 | } |
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| 37 | @end |
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| 38 | |
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