* bignum.c (bigdivrem): access boundary bug.

* marshal.c (w_object): prohibit dumping out singleton classes.

* object.c (rb_mod_to_s): distinguish singleton classes.

* variable.c (rb_class2name): it's ok to reveal NilClass,
  TrueClass, FalseClass.

* eval.c (rb_yield_0): preserve and restore ruby_cref as well.

* eval.c (is_defined): core dumped during instance_eval for
  special constants.

* eval.c (rb_eval): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1389 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/string.c b/string.c
index 70e188611e..b760301137 100644
--- a/string.c
+++ b/string.c
@@ -139,6 +139,13 @@ rb_str_to_str(str)
     return rb_convert_type(str, T_STRING, "String", "to_str");
 }
 
+VALUE
+rb_string_value(ptr)
+    VALUE *ptr;
+{
+    return *ptr = rb_str_to_str(*ptr);
+}
+
 static void
 rb_str_become(str, str2)
     VALUE str, str2;