--- gcc/config/sparc/xm-sysv4.h	2018/04/24 18:10:25	1.1.1.1
+++ gcc/config/sparc/xm-sysv4.h	2018/04/24 18:15:16	1.1.1.2
@@ -1,5 +1,5 @@
 /* Configuration for GNU C-compiler for Sun Sparc running System V.4.
-   Copyright (C) 1992 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1993 Free Software Foundation, Inc.
    Contributed by Ron Guilmette (rfg@ncd.com).
 
 This file is part of GNU CC.
@@ -42,13 +42,6 @@ the Free Software Foundation, 675 Mass A
 #define SUCCESS_EXIT_CODE 0
 #define FATAL_EXIT_CODE 33
 
-/* If compiled with GNU C, use the built-in alloca.  */
-#ifdef __GNUC__
-/* Use an arg in this macro because that's what some other
-   system does--let's avoid conflict.  */
-#define alloca(x) __builtin_alloca(x)
-#endif
-
 #include "xm-svr4.h"
 
 #ifndef __GNUC__