From c3186a452c29b02ec7062fdc9dd0cff4f33a2aba Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 3 May 2016 11:09:21 -0700
Subject: [PATCH] Include accessors in control flow type analysis

---
 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 bf0ba6beb25..df3528a17ac 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -9795,7 +9795,7 @@ namespace ts {
             }
 
             const propType = getTypeOfSymbol(prop);
-            if (node.kind !== SyntaxKind.PropertyAccessExpression || !(prop.flags & (SymbolFlags.Variable | SymbolFlags.Property)) || isAssignmentTarget(node)) {
+            if (node.kind !== SyntaxKind.PropertyAccessExpression || !(prop.flags & (SymbolFlags.Variable | SymbolFlags.Property | SymbolFlags.Accessor)) || isAssignmentTarget(node)) {
                 return propType;
             }
             const leftmostNode = getLeftmostIdentifierOrThis(node);