{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(errors::ForbiddenTargetFeatureAttr"}]}
            tcx.dcx().emit_err(errors::ForbiddenTargetFeatureAttr {
        if let Err(reason) = stability.toggle_allowed() {
                span: feature_span,