Add missing `addWildcardPattern` to lint registry.

Bug: https://dartbug.com/60601
Change-Id: Id67d579793ed47975beb0b324413e46136b3da0e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/424042
Commit-Queue: Lasse Nielsen <lrn@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
diff --git a/pkg/analyzer/lib/src/lint/linter_visitor.dart b/pkg/analyzer/lib/src/lint/linter_visitor.dart
index f3d7871..11b4157 100644
--- a/pkg/analyzer/lib/src/lint/linter_visitor.dart
+++ b/pkg/analyzer/lib/src/lint/linter_visitor.dart
@@ -2115,6 +2115,10 @@
     _forWhileStatement.add(_Subscription(rule, visitor, _getTimer(rule)));
   }
 
+  void addWildcardPattern(AnalysisRule rule, AstVisitor visitor) {
+    _forWildcardPattern.add(_Subscription(rule, visitor, _getTimer(rule)));
+  }
+
   void addWithClause(AnalysisRule rule, AstVisitor visitor) {
     _forWithClause.add(_Subscription(rule, visitor, _getTimer(rule)));
   }