Check alpha-sorting of includes during presubmit.

test/cctest/test-macro-assembler-arm.cc

 // Copyright 2013 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 10 matching lines @@
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // 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 "test/cctest/cctest.h"
 
 #include "src/macro-assembler.h"
+
 #include "src/arm/macro-assembler-arm.h"
 #include "src/arm/simulator-arm.h"
-#include "test/cctest/cctest.h"
 
 
 using namespace v8::internal;
 
 typedef void* (*F)(int x, int y, int p2, int p3, int p4);
 
 #define __ masm->
 
 
 static byte to_non_zero(int n) {
@@ skipping 172 matching lines @@
   masm->GetCode(&desc);
   Handle<Code> code = isolate->factory()->NewCode(
       desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
 
   // Call the function from C++.
   F5 f = FUNCTION_CAST<F5>(code->entry());
   CHECK_EQ(0, CALL_GENERATED_CODE(f, 0, 0, 0, 0, 0));
 }
 
 #undef __