diff options
Diffstat (limited to 'clang/test/Sema/pragma-pack-5.c')
-rw-r--r-- | clang/test/Sema/pragma-pack-5.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/clang/test/Sema/pragma-pack-5.c b/clang/test/Sema/pragma-pack-5.c new file mode 100644 index 0000000..95bbe1f --- /dev/null +++ b/clang/test/Sema/pragma-pack-5.c @@ -0,0 +1,45 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify -ffreestanding +// <rdar://problem/10494810> and PR9560 +// Check #pragma pack handling with bitfields. + +#include <stddef.h> +#pragma pack(2) + +struct s0 { + char f1; + unsigned f2 : 32; + char f3; +}; +extern int check[sizeof(struct s0) == 6 ? 1 : -1]; + +struct s1 { + char f1; + unsigned : 0; + char f3; +}; +extern int check[sizeof(struct s1) == 5 ? 1 : -1]; + +struct s2 { + char f1; + unsigned : 0; + unsigned f3 : 8; + char f4; +}; +extern int check[sizeof(struct s2) == 6 ? 1 : -1]; + +struct s3 { + char f1; + unsigned : 0; + unsigned f3 : 16; + char f4; +}; +extern int check[sizeof(struct s3) == 8 ? 1 : -1]; +extern int check[offsetof(struct s3, f4) == 6 ? 1 : -1]; + +struct s4 { + char f1; + unsigned f2 : 8; + char f3; +}; +extern int check[sizeof(struct s4) == 4 ? 1 : -1]; +extern int check[offsetof(struct s4, f3) == 2 ? 1 : -1]; |