From 2256d761a20616434d3e20d2f7e0caa46ea7e1c3 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 5 Feb 2019 12:40:25 -0800
Subject: [PATCH] Revert change to strict property initialization checks

---
 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 ce06e84b2fd..7d9d36b77b6 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -27225,7 +27225,7 @@ namespace ts {
             reference.expression.parent = reference;
             reference.parent = constructor;
             reference.flowNode = constructor.returnFlowNode;
-            const flowType = getFlowTypeOfReference(reference, getOptionalType(propType));
+            const flowType = getFlowTypeOfReference(reference, propType, getOptionalType(propType));
             return !(getFalsyFlags(flowType) & TypeFlags.Undefined);
         }