Mark args as unused.

From-SVN: r29830

gcc/ChangeLog

@@ -2,7 +2,8 @@ Tue Oct  5 15:37:04 1999  Michael Meissner  <meissner@cygnus.com>
 
 	* libgcc2.c (toplevel): If inhibit_libc is defined, declare
 	malloc, free, and atexit.  Don't include stddef.h twice.
-
+	(__clear_cache): Mark arguments as potentially unused.
+	
 	* frame.c (toplevel): If inhibit_libc is defined, declare
 	malloc and free.
 

gcc/libgcc2.c

@@ -2470,7 +2470,8 @@ unsigned int __shtab[] = {
 #define INSN_CACHE_PLANE_SIZE (INSN_CACHE_SIZE / INSN_CACHE_DEPTH)
 
 void
-__clear_cache (char *beg, char *end)
+__clear_cache (char *beg __attribute__((__unused__)),
+	       char *end __attribute__((__unused__)))
 {
 #ifdef CLEAR_INSN_CACHE 
   CLEAR_INSN_CACHE (beg, end);