Regex: move boost headers to top of list to work around clang issue which requires workarounds present in config.hpp.

test/c_compiler_checks/wide_posix_api_check.c

@@ -20,11 +20,11 @@
 #define UNICODE
 #define _UNICODE
 
+#include <boost/regex.h>
 #include <stdio.h>
 #include <string.h>
 #include <assert.h>
 #include <stdlib.h>
-#include <boost/regex.h>
 
 #ifndef BOOST_NO_WREGEX
 #include <wchar.h>

test/pathology/bad_expression_test.cpp

@@ -16,10 +16,10 @@
   *   DESCRIPTION: Test for indefinite recursion and/or stack overrun.
   */
 
-#include <string>
 #include <boost/regex.hpp>
 #include <boost/detail/lightweight_main.hpp>
 #include "../test_macros.hpp"
+#include <string>
 
 #ifdef BOOST_INTEL
 #pragma warning(disable:1418 981 983 383)

test/pathology/recursion_test.cpp

@@ -16,10 +16,10 @@
   *   DESCRIPTION: Test for indefinite recursion and/or stack overrun.
   */
 
-#include <string>
 #include <boost/regex.hpp>
 #include <boost/detail/lightweight_main.hpp>
 #include "../test_macros.hpp"
+#include <string>
 
 #ifdef BOOST_INTEL
 #pragma warning(disable:1418 981 983 383)

test/static_mutex/static_mutex_test.cpp

@@ -16,11 +16,11 @@
   *   DESCRIPTION: test program for boost::static_mutex.
   */
 
-#include <iostream>
-#include <iomanip>
 #include <boost/regex/pending/static_mutex.hpp>
 #include <boost/thread/thread.hpp>
 #include <boost/timer.hpp>
+#include <iostream>
+#include <iomanip>
 
 //
 // we cannot use the regular Boost.Test in here: it is not thread safe