unc_memops.ads: Comment out the alloc/free/realloc exports and document how these can be exercised.

2007-12-07  Olivier Hainque  <hainque@adacore.com>

	testsuite/
	* gnat.dg/unc_memops.ads: Comment out the alloc/free/realloc
	exports and document how these can be exercised.

From-SVN: r130678

gcc/testsuite/ChangeLog

+2007-12-07  Olivier Hainque  <hainque@adacore.com>
+
+	* gnat.dg/unc_memops.ads: Comment out the alloc/free/realloc
+	exports and document how these can be exercised.
+
 2007-12-07  Samuel Tardieu  <sam@rfc1149.net>
 
 	PR ada/15805

gcc/testsuite/gnat.dg/unc_memops.ads

@@ -17,8 +17,14 @@ package Unc_Memops is
 
 private
 
-   pragma Export (C, Alloc,   "__gnat_malloc");
-   pragma Export (C, Free,    "__gnat_free");
-   pragma Export (C, Realloc, "__gnat_realloc");
+   --  Uncomment the exports below to really exercise the alternate versions.
+
+   --  This only works when using an installed version of the tools which
+   --  grabs the runtime library objects from an archive, hence doesn't force
+   --  the inclusion of s-memory.o.
+
+   --  pragma Export (C, Alloc,   "__gnat_malloc");
+   --  pragma Export (C, Free,    "__gnat_free");
+   --  pragma Export (C, Realloc, "__gnat_realloc");
 
 end;