* variable.c (rb_obj_remove_instance_variable): raise NameError if

  specified instance variable is not defined.

* variable.c (generic_ivar_remove): modified to check ivar
  existence.

* class.c (rb_singleton_class): wrong condition; was creating
  unnecessary singleton class.

* numeric.c (int_step): step may be a float less than 1.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@2349 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/numeric.c b/numeric.c
index d5896fe2d3..36292114f3 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1411,7 +1411,7 @@ int_step(from, to, step)
     VALUE i = from;
     ID cmp;
 
-    if (NUM2INT(step) == 0) {
+    if (rb_equal(step, INT2FIX(0))) {
 	rb_raise(rb_eArgError, "step cannot be 0");
     }