From fb08a519c88a33e612b05448f1cffc75ce8fc328 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sat, 20 Jun 2015 22:10:29 +0100
Subject: [PATCH] register labels as bindings - fixes #1747

---
 src/babel/traversal/scope/index.js | 5 ++++-
 src/babel/types/retrievers.js      | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/babel/traversal/scope/index.js b/src/babel/traversal/scope/index.js
index eb0d4acad4..d93da2995d 100644
--- a/src/babel/traversal/scope/index.js
+++ b/src/babel/traversal/scope/index.js
@@ -64,6 +64,7 @@ var collectorVisitor = {
 
   LabeledStatement(node) {
     this.scope.getProgramParent().addGlobal(node);
+    this.scope.getBlockParent().registerDeclaration(this);
   },
 
   AssignmentExpression() {
@@ -435,7 +436,9 @@ export default class Scope {
    */
 
   registerDeclaration(path: NodePath) {
-    if (path.isFunctionDeclaration()) {
+    if (path.isLabeledStatement()) {
+      this.registerBinding("label", path);
+    } else if (path.isFunctionDeclaration()) {
       this.registerBinding("hoisted", path);
     } else if (path.isVariableDeclaration()) {
       var declarations = path.get("declarations");
diff --git a/src/babel/types/retrievers.js b/src/babel/types/retrievers.js
index dc53e06bf8..174d15d6de 100644
--- a/src/babel/types/retrievers.js
+++ b/src/babel/types/retrievers.js
@@ -41,6 +41,7 @@ getBindingIdentifiers.keys = {
   ComprehensionBlock: "left",
 
   CatchClause: "param",
+  LabeledStatement: "label",
   UnaryExpression: "argument",
   AssignmentExpression: "left",