+ let ((sub_suggestion_label, sub_suggestion), sub_unreachable_label) =
+ match suggestion {
+ // A reachable label with a similar name exists.
+ Some((ident, true)) => (
+ (
+ Some(errs::UnreachableLabelSubLabel { ident_span: ident.span }),
+ Some(errs::UnreachableLabelSubSuggestion {
+ span,
+ // intentionally taking 'ident.name' instead of 'ident' itself, as this
+ // could be used in suggestion context
+ ident_name: ident.name,
+ }),
+ ),
+ None,
+ ),
+ // An unreachable label with a similar name exists.
+ Some((ident, false)) => (
+ (None, None),
+ Some(errs::UnreachableLabelSubLabelUnreachable {
+ ident_span: ident.span,
+ }),
+ ),
+ // No similarly-named labels exist.
+ None => ((None, None), None),
+ };
+ self.session.create_err(errs::UnreachableLabel {