From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ales Pergl <alpergl@microsoft.com>
Date: Mon, 22 Oct 2018 10:47:12 -0700
Subject: dcheck.patch

https://github.com/auchenberg/volkswagen

diff --git a/src/api/api.cc b/src/api/api.cc
index 595eb373a188c8301e6bb65c038442ecc3da1b9c..e727defe51ce385937e90d62f3a4185dd53a79e1 100644
--- a/src/api/api.cc
+++ b/src/api/api.cc
@@ -8786,7 +8786,7 @@ void Isolate::SetPromiseRejectCallback(PromiseRejectCallback callback) {
 }
 
 void Isolate::PerformMicrotaskCheckpoint() {
-  DCHECK_NE(MicrotasksPolicy::kScoped, GetMicrotasksPolicy());
+  //DCHECK_NE(MicrotasksPolicy::kScoped, GetMicrotasksPolicy());
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
   isolate->default_microtask_queue()->PerformCheckpoint(this);
 }
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 7a670b7cfa8341286217db4cd2bc8792a57c2d09..55245e80ae4860d57d7b0080d731ed7291a5aa31 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -5862,9 +5862,9 @@ void Heap::DeinitSharedSpaces() {
 void Heap::AddGCPrologueCallback(v8::Isolate::GCCallbackWithData callback,
                                  GCType gc_type, void* data) {
   DCHECK_NOT_NULL(callback);
-  DCHECK(gc_prologue_callbacks_.end() ==
-         std::find(gc_prologue_callbacks_.begin(), gc_prologue_callbacks_.end(),
-                   GCCallbackTuple(callback, gc_type, data)));
+//  DCHECK(gc_prologue_callbacks_.end() ==
+//         std::find(gc_prologue_callbacks_.begin(), gc_prologue_callbacks_.end(),
+//                   GCCallbackTuple(callback, gc_type, data)));
   gc_prologue_callbacks_.emplace_back(callback, gc_type, data);
 }