diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 909e97474da6..e46b33a519ad 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+Sat Apr 17 16:56:48 1999  Richard Henderson  <rth@cygnus.com>
+
+	* gcc.dg/uninit-9.c (func): Use __builtin_alloca instead of alloca
+	to avoid the need for a prototype to supress a warning.
+
 Sun Apr  4 04:02:53 1999  Jeffrey A Law  (law@cygnus.com)
 
 	* gcc.c-torture/execute/990404-1.c: New test.
diff --git a/gcc/testsuite/gcc.dg/uninit-9.c b/gcc/testsuite/gcc.dg/uninit-9.c
index 8b439a4512d5..62681f9e0fdb 100644
--- a/gcc/testsuite/gcc.dg/uninit-9.c
+++ b/gcc/testsuite/gcc.dg/uninit-9.c
@@ -27,7 +27,7 @@ func(struct foo *list, int count)
 
     if(list[0].type == PARALLEL)
     {
-	clob_list = alloca(count * sizeof(struct foo *));
+	clob_list = __builtin_alloca(count * sizeof(struct foo *));
 	
 	for(i = 1; i < count; i++)
 	{