Rename HandlerInner::delay_span_bug as HandlerInner::span_delayed_bug.

Because the corresponding `Level` is `DelayedBug` and `span_delayed_bug`
follows the pattern used everywhere else: `span_err`, `span_warning`,
etc.

Author: nnethercote

crates/hir-def/src/attr/builtin.rs

@@ -629,7 +629,7 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
     rustc_attr!(TEST, rustc_regions, Normal, template!(Word), WarnFollowing),
     rustc_attr!(
         TEST, rustc_error, Normal,
-        template!(Word, List: "delay_span_bug_from_inside_query"), WarnFollowingWordOnly
+        template!(Word, List: "span_delayed_bug_from_inside_query"), WarnFollowingWordOnly
     ),
     rustc_attr!(TEST, rustc_dump_user_substs, Normal, template!(Word), WarnFollowing),
     rustc_attr!(TEST, rustc_evaluate_where_clauses, Normal, template!(Word), WarnFollowing),