[Bug c++/95516] [coroutines] incorrect warning "'coro.gro' is used uninitialized"

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95516

--- Comment #4 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #3)
> (In reply to Michael Bruck from comment #2)
> > I was using -Ofast -Wall:
> > https://gcc.godbolt.org/z/pAkVS8
> 
> I can repeat it with -Ofast.
> [this still might have nothing to do with coroutines, but rather the
> tracking of var usage, since the complaint is in the ramp function (which is
> a regular c++ function)]

... and now it's gone again ...