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Re: A strange gcc behavior, and an argument against -Wno-unused

> From: Tom Tromey <tromey@redhat.com>
> Cc: Pedro Alves <pedro@codesourcery.com>, gdb@sourceware.org,
>         dave.korn.cygwin@googlemail.com, msnyder@vmware.com
> Date: Sat, 10 Oct 2009 12:25:38 -0600
> 
> >>>>> "Eli" == Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> >  Or append "-Wunused-value"?
> >> 
> >> Sounds like a good first step to me.
> 
> Eli> What version of GCC introduced this switch?
> 
> It seems to have been added here:
> 
>     Wed May 17 17:27:44 2000  Andrew Cagney  <cagney@b1.cygnus.com>
> 
>             * flags.h (warn_unused_function, warn_unused_label,
>             warn_unused_parameter, warn_unused_variable, warn_unused_value):
>             Replace ``warn_unused''.
>             (set_Wunused): Add declaration.
>     [...]
> 
> That would put it in 3.0 and maybe 2.95.3.

Thanks, that's old enough to be useful for most, if not all, of those
who build GDB.
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