Check alpha-sorting of includes during presubmit.

src/platform-posix.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Platform-specific code for POSIX goes here. This is not a platform on its
 // own, but contains the parts which are the same across the POSIX platforms
 // Linux, MacOS, FreeBSD, OpenBSD, NetBSD and QNX.
 
 #include <dlfcn.h>
+#include <errno.h>
 #include <pthread.h>
 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <pthread_np.h>  // for pthread_set_name_np
 #endif
 #include <sched.h>  // for sched_yield
+#include <time.h>
 #include <unistd.h>
-#include <errno.h>
-#include <time.h>
 
 #include <sys/mman.h>
 #include <sys/resource.h>
+#include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
-#include <sys/stat.h>
+
 #if defined(__linux__)
-#include <sys/prctl.h>  // for prctl
+#include <sys/prctl.h>  // NOLINT, for prctl
 #endif
 #if defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || \
     defined(__NetBSD__) || defined(__OpenBSD__)
-#include <sys/sysctl.h>  // for sysctl
+#include <sys/sysctl.h>  // NOLINT, for sysctl
 #endif
 
 #include <arpa/inet.h>
+#include <netdb.h>
 #include <netinet/in.h>
-#include <netdb.h>
 
 #undef MAP_TYPE
 
 #if defined(ANDROID) && !defined(V8_ANDROID_LOG_STDOUT)
 #define LOG_TAG "v8"
-#include <android/log.h>
+#include <android/log.h>  // NOLINT
 #endif
 
 #include "src/v8.h"
 
 #include "src/isolate-inl.h"
 #include "src/platform.h"
 
 #ifdef V8_FAST_TLS_SUPPORTED
 #include "src/base/atomicops.h"
 #endif
@@ skipping 638 matching lines @@
 
 void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
   pthread_key_t pthread_key = LocalKeyToPthreadKey(key);
   int result = pthread_setspecific(pthread_key, value);
   ASSERT_EQ(0, result);
   USE(result);
 }
 
 
 } }  // namespace v8::internal