https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101765
--- Comment #2 from Kacper Słomiński <kacper.slominski72 at gmail dot com> --- (In reply to Iain Sandoe from comment #1) > I am not sure that a VLA can be used in a coroutine (neither can alloca, if > I remember correctly) [so not sure that this is ICE on valid, it could be > ICE on invalid] > > Either way, we should not ICE from it. Using alloca or __builtin_alloca inside of coroutines compiles fine, but despite that I think this should be ICE-on-invalid, as I don't see how stack allocations would work inside of coroutines, since AFAIK the coro frame size must be known up-front.
