Check alpha-sorting of includes during presubmit.

src/gdb-jit.cc

 // Copyright 2010 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.
 
 #ifdef ENABLE_GDB_JIT_INTERFACE
 #include "src/v8.h"
-#include "src/gdb-jit.h"
 
 #include "src/bootstrapper.h"
 #include "src/compiler.h"
+#include "src/frames-inl.h"
 #include "src/frames.h"
-#include "src/frames-inl.h"
+#include "src/gdb-jit.h"
 #include "src/global-handles.h"
 #include "src/messages.h"
 #include "src/natives.h"
 #include "src/platform.h"
 #include "src/scopes.h"
 
 namespace v8 {
 namespace internal {
 
 #ifdef __APPLE__
@@ skipping 2144 matching lines @@
   LockGuard<Mutex> lock_guard(mutex.Pointer());
   ASSERT(!IsLineInfoTagged(line_info));
   HashMap::Entry* e = GetEntries()->Lookup(code, HashForCodeObject(code), true);
   ASSERT(e->value == NULL);
   e->value = TagLineInfo(line_info);
 }
 
 
 } }  // namespace v8::internal
 #endif