{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"if"}]}
                if self.check_arg_for_power_alignment(cx, ty) {
                let ty = cx.tcx.type_of(def_id).instantiate_identity();
                    cx.emit_span_lint(USES_POWER_ALIGNMENT, field_def.span, UsesPowerAlignment);