From 4411b720c9fb9267325805f71781381355715c4d Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Thu, 7 Mar 2019 16:54:48 +0100
Subject: [PATCH] fixup: fix StreamBase::FromObject

---
 src/stream_base-inl.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/stream_base-inl.h b/src/stream_base-inl.h
index 4c1d5f4fc0b4f6..f9a67872f90d77 100644
--- a/src/stream_base-inl.h
+++ b/src/stream_base-inl.h
@@ -278,6 +278,9 @@ inline void StreamBase::AttachToObject(v8::Local<v8::Object> obj) {
 }
 
 inline StreamBase* StreamBase::FromObject(v8::Local<v8::Object> obj) {
+  if (obj->GetAlignedPointerFromInternalField(0) == nullptr)
+    return nullptr;
+
   return static_cast<StreamBase*>(
       obj->GetAlignedPointerFromInternalField(kStreamBaseField));
 }