From bf22dff8ea5f3ac94ab1a354abea48fd7c3f272c Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 3 Sep 2004 17:41:27 +0000
Subject: * eval.c (cvar_cbase): class variables cause SEGV in  
 instance_eval() for fixnums and symbols. [ruby-dev:24213]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6855 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 eval.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'eval.c')

diff --git a/eval.c b/eval.c
index 46c687dc4e..ac3ff420b5 100644
--- a/eval.c
+++ b/eval.c
@@ -1779,6 +1779,9 @@ cvar_cbase()
 	    rb_warn("class variable access from toplevel singleton method");
 	}
     }
+    if (NIL_P(cref->nd_clss)) {
+	rb_raise(rb_eTypeError, "no class variables available");
+    }
     return cref->nd_clss;
 }
 
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