bug#24323: "regcomp.c", line 467: error: syntax error before or at: preg

[Dennis Clarke]

On 08/28/2016 07:58 PM, Paul Eggert wrote:
> Dennis Clarke wrote:
> > On 08/28/2016 03:58 PM, Paul Eggert wrote:
> > > I see the problem ...
> >
> > > Ah, that explains it. 12.4 c99 supports __restrict__ but not __restrict,
> >
> > Sort of what I said .. I think.  For that matter are you sure about the
> >  use of "__restrict__" ?
>
> Your original bug report said 12.5, which caused me to waste some time
> installing 12.5 and finding no bug.

Sorry. Wrong machine. I have a pile of different revs here and the
system which tossed the error was in actual fact Oracle Studio 12.4
whereas nearly any other Solaris 10 or 11 machine has Studio 12.5 on
them.

> Yes, I observed the behavior with __restrict__ and __restrict.
>
> > > This Gnulib commit replaces __restrict with _Restrict_
> >
> > I saw that in a few places and wondered if there was a mistake. I don't
> >  think that __Restrict__ exists in any standard anywhere either.
>
> It doesn't. _Restrict_ is a macro defined by Gnulib, which should expand
> to the appropriate keyword (or non-keyword).
>
> > I will have to wait for a release to use that.  For now I just toss out
> > the __restrict and use proper "restrict" and everything is fine.
>
> Yes, that should work.

I think the testsuite is a valid test and everything passes fine so it
looks fine as just "restrict".

Dennis