From e6ea85d31b2a40ca2531791eb33dcde9d4b4e4f4 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Fri, 1 Aug 2014 12:36:09 -0700
Subject: [PATCH] Properly build container list in binder. Containers are added
 to container list only if they aren't already on the list. Fixes #325.

---
 src/compiler/binder.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/compiler/binder.ts b/src/compiler/binder.ts
index faf8d96e2be..7b16c785833 100644
--- a/src/compiler/binder.ts
+++ b/src/compiler/binder.ts
@@ -171,8 +171,13 @@ module ts {
             parent = node;
             if (symbolKind & SymbolFlags.IsContainer) {
                 container = node;
-                if (lastContainer) lastContainer.nextContainer = container;
-                lastContainer = container;
+                // If container is not on container list, add it to the list
+                if (lastContainer !== container && !container.nextContainer) {
+                    if (lastContainer) {
+                        lastContainer.nextContainer = container;
+                    }
+                    lastContainer = container;
+                }
             }
             forEachChild(node, bind);
             container = saveContainer;