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Wmissing-parameter-type (PR7651 Define -Wextra strictly in terms of other warning flags)


This patch continues the effort to fix PR7651 [1].

It adds a new option -Wmissing-parameter-type that takes over the
function of warning about function parameters declared without a type
specifier in K&R-style functions. The new option is enabled by
-Wextra, so we keep the current behaviour but add the ability to
enable/disable this individual warning.

Bootstrapped and regression tested with --enable-languages=all on
i686-pc-linux-gnu. Yet, this seemed at bit futile, since we don't have
any testcase for this warning flag (or I wasn't able to find them).

OK for mainline?


2006-12-21 Manuel Lopez-Ibanez <>

   PR middle-end/7651
   * c.opt (Wmissing-parameter-type): New.
   * doc/invoke.texi (Wmissing-parameter-type): Document it.
   (Wextra): Enabled by -Wextra.
   * c-opts.c (c_common_post_options): Enabled by -Wextra.
   * c-decl.c (store_parm_decls_oldstyle): Replace Wextra with

Attachment: wmissing-parameter-type.diff
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