47 lines
1 KiB
C
47 lines
1 KiB
C
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// RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify -ffreestanding
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// expected-no-diagnostics
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// <rdar://problem/10494810> and PR9560
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// Check #pragma pack handling with bitfields.
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#include <stddef.h>
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#pragma pack(2)
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struct s0 {
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char f1;
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unsigned f2 : 32;
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char f3;
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};
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extern int check[sizeof(struct s0) == 6 ? 1 : -1];
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struct s1 {
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char f1;
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unsigned : 0;
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char f3;
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};
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extern int check[sizeof(struct s1) == 5 ? 1 : -1];
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struct s2 {
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char f1;
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unsigned : 0;
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unsigned f3 : 8;
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char f4;
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};
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extern int check[sizeof(struct s2) == 6 ? 1 : -1];
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struct s3 {
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char f1;
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unsigned : 0;
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unsigned f3 : 16;
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char f4;
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};
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extern int check[sizeof(struct s3) == 8 ? 1 : -1];
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extern int check[offsetof(struct s3, f4) == 6 ? 1 : -1];
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struct s4 {
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char f1;
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unsigned f2 : 8;
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char f3;
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};
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extern int check[sizeof(struct s4) == 4 ? 1 : -1];
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extern int check[offsetof(struct s4, f3) == 2 ? 1 : -1];
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