diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 1212841430f..3c2cfcc76ee 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2001-03-22  Greg Bumgardner <bumgard@roguewave.com>
+
+	* include/bits/ostream.tcc: Use __builtin_alloca.
+
 2001-03-22  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* src/misc-inst.cc (__sink_unused_warning): Move to...
diff --git a/libstdc++-v3/include/bits/ostream.tcc b/libstdc++-v3/include/bits/ostream.tcc
index 50f3b9b38e1..70264461e08 100644
--- a/libstdc++-v3/include/bits/ostream.tcc
+++ b/libstdc++-v3/include/bits/ostream.tcc
@@ -561,7 +561,7 @@ namespace std {
 	{
 	  try {
 	    streamsize __w = __out.width();
-	    _CharT __pads[__w];
+	    _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
 	    streamsize __len = static_cast<streamsize>(_Traits::length(__s));
 	    if (__w > __len)
 	      {