1 files changed, 3 insertions, 1 deletions
diff --git a/tools/node_modules/eslint/node_modules/rxjs/_esm2015/internal/operators/mergeMap.js b/tools/node_modules/eslint/node_modules/rxjs/_esm2015/internal/operators/mergeMap.js
index fe6fa5db53..7d47338367 100644
--- a/tools/node_modules/eslint/node_modules/rxjs/_esm2015/internal/operators/mergeMap.js
+++ b/tools/node_modules/eslint/node_modules/rxjs/_esm2015/internal/operators/mergeMap.js
@@ -54,7 +54,8 @@ export class MergeMapSubscriber extends OuterSubscriber {
     }
     _innerSub(ish, value, index) {
         const innerSubscriber = new InnerSubscriber(this, undefined, undefined);
-        this.add(innerSubscriber);
+        const destination = this.destination;
+        destination.add(innerSubscriber);
         subscribeToResult(this, ish, value, index, innerSubscriber);
     }
     _complete() {
@@ -62,6 +63,7 @@ export class MergeMapSubscriber extends OuterSubscriber {
         if (this.active === 0 && this.buffer.length === 0) {
             this.destination.complete();
         }
+        this.unsubscribe();
     }
     notifyNext(outerValue, innerValue, outerIndex, innerIndex, innerSub) {
         this.destination.next(innerValue);