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Re: [PATCH] treat -Wxxx-larger-than=HWI_MAX special (PR 86631)
On Wed, Jul 25, 2018 at 08:54:13AM -0600, Martin Sebor wrote:
> I don't mean for the special value to be used except internally
> for the defaults. Otherwise, users wanting to override the default
> will choose a value other than it. I'm happy to document it in
> the .opt file for internal users though.
> -1 has the documented effect of disabling the warnings altogether
> (-1 is SIZE_MAX) so while I agree that -1 looks better it doesn't
> work. (It would need more significant changes.)
The variable is signed, so -1 is not SIZE_MAX. Even if -1 disables it, you
could use e.g. -2 or other negative value for the other special case.