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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-05-11 00:36:07 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-05-11 00:36:07 +0000 |
| commit | bf9da1f8292bb66720ada94a050ede9dca17f60a (patch) | |
| tree | 757f69354e83f6218807fe73995b622d07405946 /test/Sema/format-strings.c | |
| parent | 7d9ae25d93554bdb238da83f9bb3e0b05475c16c (diff) | |
Fix a recent regression with the merging of format attributes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156597 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Sema/format-strings.c')
| -rw-r--r-- | test/Sema/format-strings.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Sema/format-strings.c b/test/Sema/format-strings.c index 1f9acd4ef8..a9a040fdc0 100644 --- a/test/Sema/format-strings.c +++ b/test/Sema/format-strings.c @@ -536,3 +536,20 @@ void pr12761(char c) { // This should not warn even with -fno-signed-char. printf("%hhx", c); } + + +// Test that we correctly merge the format in both orders. +extern void test14_foo(const char *, const char *, ...) + __attribute__((__format__(__printf__, 1, 3))); +extern void test14_foo(const char *, const char *, ...) + __attribute__((__format__(__scanf__, 2, 3))); + +extern void test14_bar(const char *, const char *, ...) + __attribute__((__format__(__scanf__, 2, 3))); +extern void test14_bar(const char *, const char *, ...) + __attribute__((__format__(__printf__, 1, 3))); + +void test14_zed(int *p) { + test14_foo("%", "%d", p); // expected-warning{{incomplete format specifier}} + test14_bar("%", "%d", p); // expected-warning{{incomplete format specifier}} +} |