diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/function.c b/gcc/function.c index d40801c4078..c240788e30a 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -6795,9 +6795,10 @@ expand_function_end (filename, line, end_bindings) } /* Warn about unused parms if extra warnings were specified. */ - /* Either ``-W -Wunused'' or ``-Wunused-parameter'' enables this + /* Either ``-Wextra -Wunused'' or ``-Wunused-parameter'' enables this warning. WARN_UNUSED_PARAMETER is negative when set by - -Wunused. */ + -Wunused. Note that -Wall implies -Wunused, so ``-Wall -Wextra'' will + also give these warnings. */ if (warn_unused_parameter > 0 || (warn_unused_parameter < 0 && extra_warnings)) { |