syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // FIXME: support adding the attribute to TAITs
context_before:         ty::Adt(def, _) => check_must_not_suspend_def(tcx, def.did(), hir_id, data),
context_after:         ty::Alias(ty::Opaque, ty::AliasTy { def_id: def, .. }) => {