Check alpha-sorting of includes during presubmit.

src/scanner.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.
 
 // Features shared by parsing and pre-parsing scanners.
 
 #include <cmath>
 
-#include "src/scanner.h"
+#include "src/v8.h"
 
 #include "include/v8stdint.h"
 #include "src/char-predicates-inl.h"
 #include "src/conversions-inl.h"
 #include "src/list-inl.h"
-#include "src/v8.h"
 #include "src/parser.h"
+#include "src/scanner.h"
 
 namespace v8 {
 namespace internal {
 
 // ----------------------------------------------------------------------------
 // Scanner
 
 Scanner::Scanner(UnicodeCache* unicode_cache)
     : unicode_cache_(unicode_cache),
       octal_pos_(Location::invalid()),
@@ skipping 1244 matching lines @@
     }
     backing_store_.Add(static_cast<uint8_t>((one_byte_length >> 7) | 0x80u));
   }
   backing_store_.Add(static_cast<uint8_t>(one_byte_length & 0x7f));
 
   backing_store_.AddBlock(bytes);
   return backing_store_.EndSequence().start();
 }
 
 } }  // namespace v8::internal