diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index a81cc99..a7abd01 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -194,7 +194,7 @@ in the following sections. -fno-threadsafe-statics -fuse-cxa-atexit -fno-weak -nostdinc++ @gol -fno-default-inline -fvisibility-inlines-hidden @gol -fvisibility-ms-compat @gol --Wabi -Wctor-dtor-privacy @gol +-Wabi -Wconversion-null -Wctor-dtor-privacy @gol -Wnon-virtual-dtor -Wreorder @gol -Weffc++ -Wstrict-null-sentinel @gol -Wno-non-template-friend -Wold-style-cast @gol @@ -3837,14 +3837,19 @@ changed by the conversion like in @code{abs (2.0)}. Warnings about conversions between signed and unsigned integers can be disabled by using @option{-Wno-sign-conversion}. -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. Warnings about conversions between signed and unsigned -integers are disabled by default in C++ unless +For C++, also warn for 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. Warnings about conversions between signed and +unsigned integers are disabled by default in C++ unless @option{-Wsign-conversion} is explicitly enabled. +@item -Wno-conversion-null @r{(C++)} +@opindex Wconversion-null +@opindex Wno-conversion-null +Do not warn for conversions between @code{NULL} and non-pointer +types. @option{-Wconversion-null} is enabled by default. + @item -Wempty-body @opindex Wempty-body @opindex Wno-empty-body |