proc.c: fix method proc binding location

* proc.c (proc_binding): use the original iseq on a binding from
  proc from method object to get the location.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48466 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/proc.c b/proc.c
index 475259cca9..ecb9a9f4e7 100644
--- a/proc.c
+++ b/proc.c
@@ -2452,6 +2452,7 @@ proc_binding(VALUE self)
 	if (!IS_METHOD_PROC_NODE((NODE *)iseq)) {
 	    rb_raise(rb_eArgError, "Can't create Binding from C level Proc");
 	}
+	iseq = rb_method_get_iseq(RNODE(iseq)->u2.value);
     }
 
     bindval = rb_binding_alloc(rb_cBinding);