vm_eval.c: exclude hidden variables

* vm_eval.c (rb_f_local_variables): exclude variables hidden by
  shadowing.  [ruby-core:60501] [Bug #9486]
* vm.c (collect_local_variables_in_iseq): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45850 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/vm.c b/vm.c
index af5bcb273a..4d4157551a 100644
--- a/vm.c
+++ b/vm.c
@@ -523,7 +523,7 @@ collect_local_variables_in_iseq(rb_iseq_t *iseq, const VALUE vars)
     for (i = 0; i < iseq->local_table_size; i++) {
 	ID lid = iseq->local_table[i];
 	if (rb_is_local_id(lid)) {
-	    rb_ary_push(vars, ID2SYM(lid));
+	    rb_hash_aset(vars, ID2SYM(lid), Qtrue);
 	}
     }
     return 1;