From fc1e1c56685325203fccc9439533495e07ea247f Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Tue, 19 Sep 2017 09:53:18 -0700
Subject: [PATCH] Preserve _blockHoist values for injected binding references.
 (#6269)

---
 packages/babel-helper-modules/src/rewrite-live-references.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/babel-helper-modules/src/rewrite-live-references.js b/packages/babel-helper-modules/src/rewrite-live-references.js
index 4c1f92d664..466a90554a 100644
--- a/packages/babel-helper-modules/src/rewrite-live-references.js
+++ b/packages/babel-helper-modules/src/rewrite-live-references.js
@@ -88,6 +88,7 @@ const rewriteBindingInitVisitor = {
           t.identifier(localName),
         ),
       );
+      statement._blockHoist = path.node._blockHoist;
 
       requeueInParent(path.insertAfter(statement)[0]);
     }
@@ -105,6 +106,7 @@ const rewriteBindingInitVisitor = {
             t.identifier(localName),
           ),
         );
+        statement._blockHoist = path.node._blockHoist;
 
         requeueInParent(path.insertAfter(statement)[0]);
       }
@@ -338,6 +340,7 @@ const rewriteReferencesVisitor = {
           let node = t.sequenceExpression(items);
           if (path.parentPath.isExpressionStatement()) {
             node = t.expressionStatement(node);
+            node._blockHoist = path.parentPath.node._blockHoist;
           }
 
           const statement = path.insertAfter(node)[0];