Also delegate rewrite the the wrapped IndexSearcher.

In the the AssertingIndexSearcher is used we then also have extra validation when rewritting the query.

core/src/main/java/org/elasticsearch/search/internal/ContextIndexSearcher.java

@@ -63,6 +63,16 @@ public class ContextIndexSearcher extends IndexSearcher implements Releasable {
         this.dfSource = dfSource;
     }
 
+    @Override
+    public Query rewrite(Query original) throws IOException {
+        try {
+            return in.rewrite(original);
+        } catch (Throwable t) {
+            searchContext.clearReleasables(Lifetime.COLLECTION);
+            throw ExceptionsHelper.convertToElastic(t);
+        }
+    }
+
     @Override
     public Weight createNormalizedWeight(Query query, boolean needsScores) throws IOException {
         try {