diff --git a/ChangeLog b/ChangeLog
index e2b9166d2d..7c0c00d3bd 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 17:53:45 2005  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
 
 	* ext/syck/rubyext.c (rb_syck_compile): fixed memory leak.
diff --git a/eval.c b/eval.c
index 54737f825d..728761560e 100644
--- a/eval.c
+++ b/eval.c
@@ -9172,9 +9172,12 @@ static VALUE
 bmcall(VALUE args, VALUE method)
 {
     volatile VALUE a;
+    VALUE ret;
 
     a = svalue_to_avalue(args);
-    return rb_method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
+    ret = rb_method_call(RARRAY(a)->len, RARRAY(a)->ptr, method);
+    a = Qnil; /* prevent tail call */
+    return ret;
 }
 
 VALUE