> ...are the three hunks above needed? The reason for asking is that,
> if they were needed, I'd have expected that we'd also need a table
> entry for clang::musttail (which is possible to add). But trying it
> locally, the patch seemed to work without this.
Interesting thanks. I think I copied this from likely/unlikely,
But I suppose it would be needed for the later C implementation,
unless we want this to only work with the C23 attribute syntax.
But I'll drop it for now. Perhaps it should be dropped for likely/unlikely too.
> Also, including the table entry and accepting FUNCTION_DECL means that:
>
> [[gnu::musttail]] void f();
> [[gnu::musttail]] void g() { return f(); }
>
> is silently accepted but seems to have no effect.
Yes that is indeed not intended.
-Andi
