Check alpha-sorting of includes during presubmit.

src/preparser.cc

 // Copyright 2011 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.
 
 #include <cmath>
 
 #include "include/v8stdint.h"
 
 #include "src/allocation.h"
 #include "src/checks.h"
+#include "src/conversions-inl.h"
 #include "src/conversions.h"
-#include "src/conversions-inl.h"
 #include "src/globals.h"
 #include "src/hashmap.h"
 #include "src/list.h"
+#include "src/preparse-data.h"
 #include "src/preparse-data-format.h"
-#include "src/preparse-data.h"
 #include "src/preparser.h"
 #include "src/unicode.h"
 #include "src/utils.h"
 
 #if V8_LIBC_MSVCRT && (_MSC_VER < 1800)
 namespace std {
 
 // Usually defined in math.h, but not in MSVC until VS2013+.
 // Abstracted to work
 int isfinite(double value);
@@ skipping 894 matching lines @@
   ParseIdentifier(kAllowEvalOrArguments, CHECK_OK);
   ParseArguments(ok);
 
   return Expression::Default();
 }
 
 #undef CHECK_OK
 
 
 } }  // v8::internal