On Mon, Sep 09, 2013 at 11:45:08AM +0200, Richard Biener wrote:
> Well, in this case the patch should IMHO be a no-op.
>
> - warning (OPT_Wunused_parameter, "unused parameter %q+D", decl);
> + warning_at (DECL_SOURCE_LOCATION (decl), OPT_Wunused_parameter,
> + "unused parameter %qD", decl);
>
> no? Unless I misunderstand what %q+D should do.
The question is how exactly is %q+D defined, if it is
warning_at (location_of (decl), OPT_Wunused_parameter, "unused parameter %qD",
decl); in this case, or
DECL_SOURCE_LOCATION (decl) instead.
Jakub
