--- gcc/config/i386/xm-i386.h	2018/04/24 18:10:27	1.1.1.1
+++ gcc/config/i386/xm-i386.h	2018/04/24 18:17:04	1.1.1.2
@@ -1,5 +1,5 @@
 /* Configuration for GNU C-compiler for Intel 80386.
-   Copyright (C) 1988 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1993 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -36,12 +36,6 @@ 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__
-#undef alloca
-#define alloca __builtin_alloca
-#endif
-
 /* target machine dependencies.
    tm.h is a symbolic link to the actual target specific file.   */