Check alpha-sorting of includes during presubmit.

src/platform-solaris.cc

 // Copyright 2012 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.
 
 // Platform-specific code for Solaris 10 goes here. For the POSIX-compatible
 // parts, the implementation is in platform-posix.cc.
 
 #ifdef __sparc
 # error "V8 does not support the SPARC CPU architecture."
 #endif
 
-#include <sys/stack.h>  // for stack alignment
-#include <unistd.h>  // getpagesize(), usleep()
-#include <sys/mman.h>  // mmap()
-#include <ucontext.h>  // walkstack(), getcontext()
-#include <dlfcn.h>     // dladdr
+#include <dlfcn.h>  // dladdr
+#include <errno.h>
+#include <ieeefp.h>  // finite()
 #include <pthread.h>
 #include <semaphore.h>
+#include <signal.h>  // sigemptyset(), etc
+#include <sys/mman.h>  // mmap()
+#include <sys/regset.h>
+#include <sys/stack.h>  // for stack alignment
+#include <sys/time.h>  // gettimeofday(), timeradd()
 #include <time.h>
-#include <sys/time.h>  // gettimeofday(), timeradd()
-#include <errno.h>
-#include <ieeefp.h>  // finite()
-#include <signal.h>  // sigemptyset(), etc
-#include <sys/regset.h>
+#include <ucontext.h>  // walkstack(), getcontext()
+#include <unistd.h>  // getpagesize(), usleep()
 
 
 #undef MAP_TYPE
 
 #include "src/v8.h"
 
 #include "src/platform.h"
 
 
 // It seems there is a bug in some Solaris distributions (experienced in
@@ skipping 273 matching lines @@
   return munmap(base, size) == 0;
 }
 
 
 bool VirtualMemory::HasLazyCommits() {
   // TODO(alph): implement for the platform.
   return false;
 }
 
 } }  // namespace v8::internal