https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107952
--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 5 Dec 2022, siddhesh at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107952 > > --- Comment #2 from Siddhesh Poyarekar <siddhesh at gcc dot gnu.org> --- > The standard does not allow the nesting, but gcc supports it as an extension. Does it allow the nesting when nested in a union?