From 23f89a8932d8941d0d64308dec1e324dba8d7113 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 1 Jun 2001 09:38:30 +0000
Subject: [PATCH] * hash.c (replace_i): ignore when key == Qundef.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1488 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 4 ++++
 hash.c    | 5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 73fd7f7a30..ed7fe6f6f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jun  1 17:26:24 2001  K.Kosako  <kosako@sofnec.co.jp>
+
+	* hash.c (replace_i): ignore when key == Qundef.
+
 Fri Jun  1 16:50:59 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* parse.y (call_args2): confusion with list_append() and
diff --git a/hash.c b/hash.c
index 7a08b0d500..2d99df3ce0 100644
--- a/hash.c
+++ b/hash.c
@@ -510,7 +510,10 @@ static int
 replace_i(key, val, hash)
     VALUE key, val, hash;
 {
-    rb_hash_aset(hash, key, val);
+    if (key != Qundef) {
+	rb_hash_aset(hash, key, val);
+    }
+
     return ST_CONTINUE;
 }