From 43c0a0e65ff6ba7f8032d84aa5dfbd200d5da6a5 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Tue, 2 Jun 2015 16:16:36 +0100
Subject: [PATCH] remove all non-function statements after completion
 statements in blocks

---
 .../minification/dead-code-elimination.js     | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/babel/transformation/transformers/minification/dead-code-elimination.js b/src/babel/transformation/transformers/minification/dead-code-elimination.js
index f39d8ab2b2..5efa4bf462 100644
--- a/src/babel/transformation/transformers/minification/dead-code-elimination.js
+++ b/src/babel/transformation/transformers/minification/dead-code-elimination.js
@@ -19,7 +19,7 @@ function toStatements(node) {
 
 export var metadata = {
   optional: true,
-  group: "builtin-setup"
+  group: "builtin-basic"
 };
 
 export function ReferencedIdentifier(node, parent, scope) {
@@ -76,6 +76,25 @@ export function ConditionalExpression(node, parent, scope) {
   }
 }
 
+export function BlockStatement(node) {
+  var paths = this.get("body");
+
+  var purge = false;
+
+  for (var i = 0; i < paths.length; i++) {
+    let path = paths[i];
+
+    if (!purge && path.isCompletionStatement()) {
+      purge = true;
+      continue;
+    }
+
+    if (purge && !path.isFunctionDeclaration()) {
+      path.dangerouslyRemove();
+    }
+  }
+}
+
 export var IfStatement = {
   exit(node) {
     var consequent = node.consequent;