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author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
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committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/Sema/pragma-pack-3.c | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/Sema/pragma-pack-3.c')
-rw-r--r-- | clang/test/Sema/pragma-pack-3.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/clang/test/Sema/pragma-pack-3.c b/clang/test/Sema/pragma-pack-3.c new file mode 100644 index 0000000..d97359e --- /dev/null +++ b/clang/test/Sema/pragma-pack-3.c @@ -0,0 +1,34 @@ +// RUN: %clang_cc1 -triple i686-apple-darwin9 %s -fsyntax-only -verify + +// Stack: [], Alignment: 8 + +#pragma pack(push, 1) +// Stack: [8], Alignment: 1 + +#pragma pack(push, 4) +// Stack: [8, 1], Alignment: 4 + +// Note that this differs from gcc; pack() in gcc appears to pop the +// top stack entry and resets the current alignment. This is both +// inconsistent with MSVC, and the gcc documentation. In other cases, +// for example changing this to pack(8), I don't even understand what gcc +// is doing. + +#pragma pack() +// Stack: [8, 1], Alignment: 8 + +#pragma pack(pop) +// Stack: [8], Alignment: 1 +struct s0 { + char f0; + short f1; +}; +int a[sizeof(struct s0) == 3 ? 1 : -1]; + +#pragma pack(pop) +// Stack: [], Alignment: 8 +struct s1 { + char f0; + short f1; +}; +int b[sizeof(struct s1) == 4 ? 1 : -1]; |