diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index bd4bca6..31490b8 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -3153,7 +3153,8 @@ such assumptions. Warn about anything that depends on the ``size of'' a function type or of @code{void}. GNU C assigns these types a size of 1, for convenience in calculations with @code{void *} pointers and pointers -to functions. +to functions. In C++, warn also when an arithmetic operation involves +@code{NULL}. This warning is also enabled by @option{-pedantic}. @item -Wbad-function-cast @r{(C only)} @opindex Wbad-function-cast |