{"ast_node_type":"function","tokens":[{"end":89,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn emit_err(&self, diag: impl for<'x> Diagnostic<'x>) -> ErrorGuaranteed {
impl<'f, 'sess: 'f, S: Stage> SharedContext<'f, 'sess, S> {
        self.stage.emit_err(&self.sess, diag)