On Fri, Nov 30, 2018 at 12:11:30AM +0000, Joseph Myers wrote: > On Thu, 29 Nov 2018, Segher Boessenkool wrote: > > > So "asm const restrict" is allowed, but "asm const const restrict" isn't. > > No, asm const restrict isn't allowed. volatile is allowed; const and > restrict are allowed with warnings because that replicates what the old > bison parser allowed; but at most one qualifier is allowed at present.
I mean the wanted behaviour, not the current behaviour. > > What do you want done with const and restrict (and _Atomic, which is > > allowed by the current grammar)? > > Don't allow _Atomic, since it's not allowed at present. Either allow at > most one qualifier (being one of volatile / const / restrict) or remove > support for const and restrict there and just allow (at most one) > volatile. I'll go for the latter. That also harmonises C and C++ here. Thanks! Segher
