[PATCH] - improve sprintf buffer overflow detection (middle-end/49905)

[David Malcolm]

On Tue, 2016-09-20 at 13:35 -0600, Martin Sebor wrote:

[...]

> > > +#if 0
> ...
> > > +#else
> ...
> > > +#endif
> > Please remove the #if 0'd code.
> 
> Sorry about that.  This was left over from my effort to persuade
> the substring_loc class to underline just the last quote of the
> format string.  I thought David had made some changes to make it
> possible but I may have misremembered.  Let me raise a separate
> bug for it.

I don't think the substring_loc code supports such a feature yet;
please open a bug for it and CC me on it.

[...]