From 78f54c5bb60a2495ca7402180a3310b569b8fd23 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Thu, 18 Apr 2019 17:42:47 -0700
Subject: [PATCH] Fix lint error

---
 src/compiler/checker.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 1f642c82d98..75b2934348a 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -11958,7 +11958,7 @@ namespace ts {
                 if (targetTypePredicate) {
                     const sourceTypePredicate = getTypePredicateOfSignature(source);
                     if (sourceTypePredicate) {
-                        result &= callbackCheck === CallbackCheck.Bivariant && compareTypePredicateRelatedTo(targetTypePredicate, sourceTypePredicate, /*reportErrors*/ false, undefined, compareTypes) ||
+                        result &= callbackCheck === CallbackCheck.Bivariant && compareTypePredicateRelatedTo(targetTypePredicate, sourceTypePredicate, /*reportErrors*/ false, /*errorReporter*/ undefined, compareTypes) ||
                             compareTypePredicateRelatedTo(sourceTypePredicate, targetTypePredicate, reportErrors, errorReporter, compareTypes);
                     }
                     else if (isIdentifierTypePredicate(targetTypePredicate)) {