Check alpha-sorting of includes during presubmit.

test/cctest/test-assembler-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <stdlib.h>
 
 #include "src/v8.h"
 
+#include "src/factory.h"
 #include "src/macro-assembler.h"
-#include "src/factory.h"
 #include "src/platform.h"
 #include "src/serialize.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 
 // Test the x64 assembler by compiling some simple functions into
 // a buffer and executing them.  These tests do not initialize the
 // V8 library, create a context, or use any V8 objects.
 // The AMD64 calling convention is used, with the first six arguments
@@ skipping 697 matching lines @@
       Code::ComputeFlags(Code::STUB),
       Handle<Code>());
 #ifdef OBJECT_PRINT
   code->Print();
 #endif
 
   F6 f = FUNCTION_CAST<F6>(code->entry());
   CHECK_EQ(2, f(1.0, 2.0));
 }
 #undef __