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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 403cebe..518d689 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -3720,6 +3720,9 @@ formats that may yield only a two-digit year. Warn about passing a null pointer for arguments marked as requiring a non-null value by the @code{nonnull} function attribute. +Also warns when comparing an argument marked with the @code{nonnull} +function attribute against null inside the function. + @option{-Wnonnull} is included in @option{-Wall} and @option{-Wformat}. It can be disabled with the @option{-Wno-nonnull} option. |