diff options
| author | Matt Beaumont-Gay <matthewbg@google.com> | 2011-12-12 22:35:02 +0000 |
|---|---|---|
| committer | Matt Beaumont-Gay <matthewbg@google.com> | 2011-12-12 22:35:02 +0000 |
| commit | 8ef8f431aaeed3d7418959c81dfaa677b44f05ed (patch) | |
| tree | 68d9546a21321966543b909a88de8da676daf219 /test/SemaCXX/Inputs/array-bounds-system-header.h | |
| parent | 364a59ed8f0b3adb6a9eb9f2d687650ec1d0d8e5 (diff) | |
Suppress -Warray-bounds in certain cases involving macros from system headers.
The motivation here is a "clever" implementation of strncmp(), which peels the first few comparisons via chained conditional expressions which ensure that the input arrays are known at compile time to be sufficiently large.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146430 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/SemaCXX/Inputs/array-bounds-system-header.h')
| -rw-r--r-- | test/SemaCXX/Inputs/array-bounds-system-header.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/SemaCXX/Inputs/array-bounds-system-header.h b/test/SemaCXX/Inputs/array-bounds-system-header.h new file mode 100644 index 0000000000..07cde80e9a --- /dev/null +++ b/test/SemaCXX/Inputs/array-bounds-system-header.h @@ -0,0 +1,11 @@ +// "System header" for testing that -Warray-bounds is properly suppressed in +// certain cases. + +#define BAD_MACRO_1 \ + int i[3]; \ + i[3] = 5 +#define BAD_MACRO_2(_b, _i) \ + (_b)[(_i)] = 5 +#define QUESTIONABLE_MACRO(_a) \ + sizeof(_a) > 3 ? (_a)[3] = 5 : 5 +#define NOP(x) (x) |