From 3bb57bf0fa1ba9ba7b0b54ed424bcff00d03833d Mon Sep 17 00:00:00 2001
From: Brian White <mscdex@mscdex.net>
Date: Tue, 3 Jan 2017 18:45:28 -0500
Subject: [PATCH] re-add WriteReq and CorkedRequest constructors

---
 build/files.js | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/build/files.js b/build/files.js
index ede126a18a..77f7eafadb 100644
--- a/build/files.js
+++ b/build/files.js
@@ -183,6 +183,30 @@ const headRegexp = /(^module.exports = \w+;?)/m
     /if \(typeof Symbol === 'function' && Symbol\.hasInstance\) \{/,
     `if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {`
   ]
+  , addConstructors = [
+    headRegexp,
+    `$1\n\nfunction WriteReq(chunk, encoding, cb) {
+      this.chunk = chunk;
+      this.encoding = encoding;
+      this.callback = cb;
+      this.next = null;
+    }
+    // It seems a linked list but it is not
+    // there will be only 2 of these for each stream
+    function CorkedRequest(state) {
+      this.next = null;
+      this.entry = null;
+      this.finish = onCorkedFinish.bind(undefined, this, state);
+    }\n\n`
+  ]
+  , useWriteReq = [
+    /state\.lastBufferedRequest = \{.+?\}/g,
+    `state.lastBufferedRequest = new WriteReq(chunk, encoding, cb)`
+  ]
+  , useCorkedRequest = [
+    /var corkReq = [\s\S]+?(.+?)\.corkedRequestsFree = corkReq/g,
+    `$1.corkedRequestsFree = new CorkedRequest($1)`
+  ]
 
 module.exports['_stream_duplex.js'] = [
     requireReplacement
@@ -261,6 +285,9 @@ module.exports['_stream_writable.js'] = [
   , bufferShimFix
   , bufferStaticMethods
   , fixInstanceCheck
+  , addConstructors
+  , useWriteReq
+  , useCorkedRequest
 ]
 module.exports['internal/streams/BufferList.js'] = [
     bufferShimFix