| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify -ffreestanding |
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| 2 | // expected-no-diagnostics |
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| 3 | // <rdar://problem/10494810> and PR9560 |
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| 4 | // Check #pragma pack handling with bitfields. |
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| 5 | |
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| 6 | #include <stddef.h> |
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| 7 | #pragma pack(2) |
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| 8 | |
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| 9 | struct s0 { |
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| 10 | char f1; |
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| 11 | unsigned f2 : 32; |
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| 12 | char f3; |
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| 13 | }; |
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| 14 | extern int check[sizeof(struct s0) == 6 ? 1 : -1]; |
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| 15 | |
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| 16 | struct s1 { |
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| 17 | char f1; |
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| 18 | unsigned : 0; |
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| 19 | char f3; |
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| 20 | }; |
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| 21 | extern int check[sizeof(struct s1) == 5 ? 1 : -1]; |
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| 22 | |
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| 23 | struct s2 { |
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| 24 | char f1; |
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| 25 | unsigned : 0; |
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| 26 | unsigned f3 : 8; |
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| 27 | char f4; |
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| 28 | }; |
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| 29 | extern int check[sizeof(struct s2) == 6 ? 1 : -1]; |
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| 30 | |
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| 31 | struct s3 { |
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| 32 | char f1; |
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| 33 | unsigned : 0; |
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| 34 | unsigned f3 : 16; |
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| 35 | char f4; |
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| 36 | }; |
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| 37 | extern int check[sizeof(struct s3) == 8 ? 1 : -1]; |
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| 38 | extern int check[offsetof(struct s3, f4) == 6 ? 1 : -1]; |
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| 39 | |
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| 40 | struct s4 { |
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| 41 | char f1; |
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| 42 | unsigned f2 : 8; |
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| 43 | char f3; |
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| 44 | }; |
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| 45 | extern int check[sizeof(struct s4) == 4 ? 1 : -1]; |
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| 46 | extern int check[offsetof(struct s4, f3) == 2 ? 1 : -1]; |
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| 47 | |
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