From 7ac43805149e779db04c4bf495a061cfb5b8ebee Mon Sep 17 00:00:00 2001
From: Andy <anhans@microsoft.com>
Date: Tue, 29 Aug 2017 10:23:30 -0700
Subject: [PATCH] Use getPropertyOfObjectType to get a superclass property
 (#18113)

---
 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 4101d093e2f..6373665b1ec 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -14737,7 +14737,7 @@ namespace ts {
                 if (!classType) {
                     return false;
                 }
-                const superProperty = getPropertyOfType(classType, prop.escapedName);
+                const superProperty = getPropertyOfObjectType(classType, prop.escapedName);
                 if (superProperty && superProperty.valueDeclaration) {
                     return true;
                 }