8031199: _MSC_VER is only defined on _WIN32

Reviewed-by: kvn, iveresov

hotspot/src/share/vm/adlc/adlc.hpp

@@ -38,6 +38,9 @@
 #include "stdarg.h"
 #include <sys/types.h>
 
+/* Make sure that we have the intptr_t and uintptr_t definitions */
+#ifdef _WIN32
+
 #if _MSC_VER >= 1300
 using namespace std;
 #endif
@@ -46,8 +49,6 @@ using namespace std;
 #define strdup _strdup
 #endif
 
-/* Make sure that we have the intptr_t and uintptr_t definitions */
-#ifdef _WIN32
 #ifndef _INTPTR_T_DEFINED
 #ifdef _WIN64
 typedef __int64 intptr_t;
@@ -65,6 +66,7 @@ typedef unsigned int uintptr_t;
 #endif
 #define _UINTPTR_T_DEFINED
 #endif
+
 #endif // _WIN32
 
 #if defined(LINUX) || defined(_ALLBSD_SOURCE)