On Thu, 14 Nov 2024, Florian Weimer wrote:
> * c-family/c-opts.cc (c_common_post_options): Initialize
> warn_missing_parameter_name.
> * c-family/c.opt (Wmissing-parameter-name): New.
> * c/c-decl.cc (store_parm_decls_newstyle): Use
> OPT_Wmissing_parameter_name for missing parameter name
> warning.
> * c/c-errors.cc (pedwarn_c11): Enable fine-grained warning
> control via the option_id argument.
> * doc/invoke.texi: Document Wmissing-parameter-name.
> * testsuite/gcc.dg/Wmissing-parameter-name-1.c: New test.
> * testsuite/gcc.dg/Wmissing-parameter-name-2.c: New test.
> * testsuite/gcc.dg/Wmissing-parameter-name-3.c: New test.
ChangeLog entries should go in appropriate subdirectory ChangeLogs, e.g.
c-family/
* c-family/c-opts.cc (c_common_post_options): Initialize
[...]
> +@opindex Wmissing-parameter-name
> +@opindex Wno-missing-parameter-name
> +@item -Wmissing-parameter-name @r{(C and Objective-C only)}
> +Warn if a function definition omits are parameter name, specifying only
Omits *a* parameter name.
> +its type. This can be used to document that a parameter is unused
> +in the definition. It is part of C23 and later dialects of C,
> +and available as a GCC extension in all other dialects.
> +
> +This warning is also enabled by @option{-Wc11-c23-compat}. It is turned
> +into an error by @option{-pedantic-errors}.
Into an error *if building for a C version before C23*.
OK with those fixes.
--
Joseph S. Myers
josmy...@redhat.com
