diff options
Diffstat (limited to 'test/Sema/bitfield-layout.c')
| -rw-r--r-- | test/Sema/bitfield-layout.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Sema/bitfield-layout.c b/test/Sema/bitfield-layout.c index d22639147586..2abd139d238f 100644 --- a/test/Sema/bitfield-layout.c +++ b/test/Sema/bitfield-layout.c @@ -9,6 +9,21 @@ struct a {char x; int : 0; char y;}; CHECK_SIZE(struct, a, 5) CHECK_ALIGN(struct, a, 1) +// Zero-width bit-fields with packed +struct __attribute__((packed)) a2 { short x : 9; char : 0; int y : 17; }; +CHECK_SIZE(struct, a2, 5) +CHECK_ALIGN(struct, a2, 1) + +// Zero-width bit-fields at the end of packed struct +struct __attribute__((packed)) a3 { short x : 9; int : 0; }; +CHECK_SIZE(struct, a3, 4) +CHECK_ALIGN(struct, a3, 1) + +// For comparison, non-zero-width bit-fields at the end of packed struct +struct __attribute__((packed)) a4 { short x : 9; int : 1; }; +CHECK_SIZE(struct, a4, 2) +CHECK_ALIGN(struct, a4, 1) + union b {char x; int : 0; char y;}; CHECK_SIZE(union, b, 1) CHECK_ALIGN(union, b, 1) |