remove unused defines from sendmsg.c

libobjc/ChangeLog:

2015-09-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	PR libobjc/24775
	* sendmsg.c (gen_rtx): Remove macro.
	(gen_rtx_MEM): Likewise.
	(gen_rtx_REG): Likewise.
	(rtx): Likewise.

From-SVN: r227711

libobjc/ChangeLog

 2015-09-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 
 	PR libobjc/24775
+	* sendmsg.c (gen_rtx): Remove macro.
+	(gen_rtx_MEM): Likewise.
+	(gen_rtx_REG): Likewise.
+	(rtx): Likewise.
+
+2015-09-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
+	PR libobjc/24775
 	* sendmsg.c: Remove check of STRUCT_VALUE macro.
 
 2015-05-13  Eric Botcazou  <ebotcazou@adacore.com>

libobjc/sendmsg.c

@@ -47,13 +47,6 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include <assert.h> /* For assert */
 #include <string.h> /* For strlen */
 
-#define gen_rtx(args...) 1
-#define gen_rtx_MEM(args...) 1
-#define gen_rtx_REG(args...) 1
-/* Already defined in gcc/coretypes.h. So prevent double definition warning.  */
-#undef rtx
-#define rtx int
-
 #define INVISIBLE_STRUCT_RETURN 1
 
 /* The uninstalled dispatch table.  If a class' dispatch table points