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authorshugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-11-18 01:13:54 +0000
committershugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-11-18 01:13:54 +0000
commit63c3b2d283a482b96b20fa8d78f3098786123a68 (patch)
tree28d6e85f2ff67358bad3577411c5cf1f6a828ca2
parente43c0bde5323c9dcd27ba284c1bdc7f11fa313ac (diff)
* 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: svn+ssh://ci.ruby-lang.org/ruby/trunk@25831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--ChangeLog7
-rw-r--r--vm_method.c3
2 files changed, 10 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 7cd75bf441..766b9e8320 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Wed Nov 18 10:12:34 2009 Shugo Maeda <shugo@ruby-lang.org>
+
+ * 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.
+
Wed Nov 18 08:41:42 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (str_utf8_nth): fixed overrun. [ruby-core:26787]
diff --git a/vm_method.c b/vm_method.c
index d1c68b58f3..215db50080 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);
}