https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101765
--- Comment #1 from Iain Sandoe <iains at gcc dot gnu.org> --- 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.