as it is already defined and used by the system headers.
No regressions for x86_64-darwin after full bootstrap.
2012-03-09 Tristan Gingold <ging...@adacore.com>
* ginclude/stddef.h: Do not define __size_t on VMS.
diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
index 8a03948e..ebe0190 100644
@@ -203,6 +203,8 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
#if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
/* __size_t is a typedef on FreeBSD 5, must not trash it. */
+#elif defined (VMS)
+/* __size_t is also a typedef on VMS. */