diff --git a/ChangeLog b/ChangeLog
index ac4e039d15..c1a1ef338a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Dec 17 03:30:23 2005  Tanaka Akira  <akr@m17n.org>
+
+	* eval.c (bmcall): fix a GC problem by tail call on
+	  IA64 with gcc 4.0.3 20051216 (prerelease).
+
 Fri Dec 16 00:54:06 2005  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* signal.c (Init_signal): revert C++ style comment.
diff --git a/eval.c b/eval.c
index 58971b1286..d049b7ff6d 100644
--- a/eval.c
+++ b/eval.c
@@ -9273,9 +9273,12 @@ bmcall(args, method)
     VALUE args, method;
 {
     volatile VALUE a;
+    VALUE ret;
 
     a = svalue_to_avalue(args);
-    return method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
+    ret = method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
+    a = Qnil; /* prevent tail call */
+    return ret;
 }
 
 VALUE