On Mon, Jul 23, 2018 at 12:17:42PM +0200, Richard Biener wrote:
> > Bootstrapped/regtested on x86_64-linux.
>
> Thanks for working on this. I wonder if we can completely hide this
> from the middle-end, without requiring defining of c_dialect_cxx.
> There is the BUILT_IN_FRONTEND class so you could somewhere
> manually inject a decl in that class for C++?
But then I couldn't handle folding of the builtin in the middle-end to false,
which is what I need (because in the FE it needs to be either folded to
true, or its folding deferred until later).
Or maybe in the C++ gimplification langhook?
Seems we have a single BUILT_IN_FRONTEND builtin in the whole compiler,
__integer_pack, but it doesn't act as a normal builtin, given it is a
templatish magic.
Jakub
