CHECK tasks posted by TaskRunner::PostTask

base/threading/worker_pool_posix.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/threading/worker_pool_posix.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 129 matching lines @@
 
 void PosixDynamicThreadPool::PostTask(
     const tracked_objects::Location& from_here,
     base::OnceClosure task) {
   PendingTask pending_task(from_here, std::move(task));
   AddTask(&pending_task);
 }
 
 void PosixDynamicThreadPool::AddTask(PendingTask* pending_task) {
   DCHECK(pending_task);
-  DCHECK(pending_task->task);
+
+  // Use CHECK instead of DCHECK to crash earlier. See http://crbug.com/711167
+  // for details.
+  CHECK(pending_task->task);
+
   AutoLock locked(lock_);
 
   pending_tasks_.push(std::move(*pending_task));
 
   // We have enough worker threads.
   if (static_cast<size_t>(num_idle_threads_) >= pending_tasks_.size()) {
     pending_tasks_available_cv_.Signal();
   } else {
     // The new PlatformThread will take ownership of the WorkerThread object,
     // which will delete itself on exit.
@@ skipping 20 matching lines @@
       return PendingTask(FROM_HERE, base::Closure());
     }
   }
 
   PendingTask pending_task = std::move(pending_tasks_.front());
   pending_tasks_.pop();
   return pending_task;
 }
 
 }  // namespace base