Rollup merge of #120833 - nnethercote:more-internal-emit_diagnostics-cleanups, r=oli-obk

More internal emit diagnostics cleanups

Miscellaneous improvements.

r? ``@oli-obk``

Author: matthiaskrgr

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

@@ -650,7 +650,7 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
     rustc_attr!(TEST, rustc_regions, Normal, template!(Word), WarnFollowing),
     rustc_attr!(
         TEST, rustc_error, Normal,
-        template!(Word, List: "span_delayed_bug_from_inside_query"), WarnFollowingWordOnly
+        template!(Word, List: "delayed_bug_from_inside_query"), WarnFollowingWordOnly
     ),
     rustc_attr!(TEST, rustc_dump_user_args, Normal, template!(Word), WarnFollowing),
     rustc_attr!(TEST, rustc_evaluate_where_clauses, Normal, template!(Word), WarnFollowing),