// We generally shouldn't have errors here because the query was
// already run, but there's no point using `delay_span_bug`
// when we're going to emit an error here anyway.
- let _errors = fulfill_cx.select_all_or_error(infcx).err().unwrap_or_else(Vec::new);
+ let _errors = fulfill_cx.select_all_or_error(infcx);
let (sub_region, cause) = infcx.with_region_constraints(|region_constraints| {
debug!("{:#?}", region_constraints);