From 7d95fddbed1742e1a57c2a763c243fbde4334694 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sun, 29 Mar 2015 16:10:07 +1100
Subject: [PATCH] add do expression definition to ast-types - fixes #1113

---
 src/babel/patch.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/babel/patch.js b/src/babel/patch.js
index ec6ed9569d..209319fe3b 100644
--- a/src/babel/patch.js
+++ b/src/babel/patch.js
@@ -28,6 +28,11 @@ def("RestElement")
   .build("argument")
   .field("argument", def("expression"));
 
+def("DoExpression")
+  .bases("Expression")
+  .build("body")
+  .field("body", [def("Statement")]);
+
 def("ExportDefaultDeclaration")
   .bases("Declaration")
   .build("declaration")