* eval.c (rb_call0): should not report uninitialized warning by

  attribute reader method.

* variable.c (rb_attr_get): new function to get instance variable
  without uninitialized warning.

* io.c (argf_to_io): should prefetch argv.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index ff1eeb59b..cf56536d3 100644
--- a/eval.c
+++ b/eval.c
@@ -4629,6 +4629,9 @@ rb_call0(klass, recv, id, oid, argc, argv, body, nosuper)
 	if (argc != 0) {
 	    rb_raise(rb_eArgError, "wrong number of arguments(%d for 0)", argc);
 	}
+	result = rb_attr_get(recv, body->nd_vid);
+	break;
+
       case NODE_ATTRSET:
 	/* for re-scoped/renamed method */
       case NODE_ZSUPER: