From 3ab3b5b3c897e8551fdc74d3caf7b17915d5da7d Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 16 Dec 2005 18:34:57 +0000
Subject: [PATCH] * eval.c (bmcall): fix a GC problem by tail call on   IA64
 with gcc 4.0.3 20051216 (prerelease).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9704 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 5 +++++
 eval.c    | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

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