diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index fa9ed7f..b3fe752 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -3396,6 +3396,12 @@ like @code{unsigned ui = -1}; and conversions to smaller types, like ((int) x)} and @code{ui = (unsigned) -1}, or if the value is not changed by the conversion like in @code{abs (2.0)}. +For C++, also warn for conversions between @code{NULL} and non-pointer +types; confusing overload resolution for user-defined conversions; and +conversions that will never use a type conversion operator: +conversions to @code{void}, the same type, a base class or a reference +to them. + @item -Wempty-body @opindex Wempty-body An empty body occurs in an @samp{if}, @samp{else} or @samp{do while} |