merges r27817 from trunk into ruby_1_9_2.

--
* proc.c (proc_binding): don't propagative filename and line_no of
  binding that is created from C level.  [ruby-dev:41322]

* vm_eval.c (eval_string_with_cref): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 2 deletions

diff --git a/proc.c b/proc.c
index fc05a8eae0..b4ecd576c8 100644
--- a/proc.c
+++ b/proc.c
@@ -1897,8 +1897,14 @@ proc_binding(VALUE self)
     bindval = binding_alloc(rb_cBinding);
     GetBindingPtr(bindval, bind);
     bind->env = proc->envval;
-    bind->filename = proc->block.iseq->filename;
-    bind->line_no = rb_iseq_first_lineno(proc->block.iseq);
+    if (RUBY_VM_NORMAL_ISEQ_P(proc->block.iseq)) {
+	bind->filename = proc->block.iseq->filename;
+	bind->line_no = rb_iseq_first_lineno(proc->block.iseq);
+    }
+    else {
+	bind->filename = Qnil;
+	bind->line_no = 0;
+    }
     return bindval;
 }