From e96b635ac0d604857895fcc44dce6043f3129961 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Fri, 31 Jul 2015 12:54:00 +0100
Subject: [PATCH] only register export declarations if they're of a valid type

---
 packages/babel/src/traversal/scope/index.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/babel/src/traversal/scope/index.js b/packages/babel/src/traversal/scope/index.js
index 89d121f9e2..a8441c00b7 100644
--- a/packages/babel/src/traversal/scope/index.js
+++ b/packages/babel/src/traversal/scope/index.js
@@ -543,7 +543,10 @@ export default class Scope {
         this.registerBinding("module", specifier);
       }
     } else if (path.isExportDeclaration()) {
-      this.registerDeclaration(path.get("declaration"));
+      var declar = path.get("declaration");
+      if (declar.isClassDeclaration() || declar.isFunctionDeclaration() || declar.isVariableDeclaration()) {
+        this.registerDeclaration(declar);
+      }
     } else {
       this.registerBinding("unknown", path);
     }