From c50d4d71536eac41d807394f4f5fa679431fce51 Mon Sep 17 00:00:00 2001 From: shugo Date: Wed, 18 Nov 2009 01:13:54 +0000 Subject: * vm_method.c (rb_undef): should raise TypeError if klass is nil. 1.instance_eval { undef to_s } causes SEGV before this fix. * test/ruby/test_undef.rb: new tests for undef. git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@25831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- vm_method.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'vm_method.c') diff --git a/vm_method.c b/vm_method.c index d1c68b58f..215db5008 100644 --- a/vm_method.c +++ b/vm_method.c @@ -574,6 +574,9 @@ rb_undef(VALUE klass, ID id) { rb_method_entry_t *me; + if (NIL_P(klass)) { + rb_raise(rb_eTypeError, "no class to undef method"); + } if (rb_vm_cbase() == rb_cObject && klass == rb_cObject) { rb_secure(4); } -- cgit