diff options
Diffstat (limited to 'clang/test/Sema/format-strings.c')
| -rw-r--r-- | clang/test/Sema/format-strings.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/test/Sema/format-strings.c b/clang/test/Sema/format-strings.c index d1dca7e2fb0..5d8e4cbb874 100644 --- a/clang/test/Sema/format-strings.c +++ b/clang/test/Sema/format-strings.c @@ -339,7 +339,12 @@ void pr7981(wint_t c, wchar_t c2) { printf("%lc", 1.0); // expected-warning{{the argument has type 'double'}} printf("%lc", (char) 1); // no-warning printf("%lc", &c); // expected-warning{{the argument has type 'wint_t *'}} + // If wint_t and wchar_t are the same width and wint_t is signed where + // wchar_t is unsigned, an implicit conversion isn't possible. +#if defined(__WINT_UNSIGNED__) || !defined(__WCHAR_UNSIGNED__) || \ + __WINT_WIDTH__ > __WCHAR_WIDTH__ printf("%lc", c2); // no-warning +#endif } // <rdar://problem/8269537> -Wformat-security says NULL is not a string literal |
