rustc: Remove old_orphan_check entirely

src/test/run-pass/deriving-encodable-decodable-box.rs

@@ -12,7 +12,7 @@
 
 #![allow(unknown_features)]
 #![feature(box_syntax)]
-#![feature(old_orphan_check, rustc_private)]
+#![feature(rustc_private)]
 
 extern crate serialize;
 

src/test/run-pass/deriving-encodable-decodable-cell-refcell.rs

@@ -13,7 +13,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![feature(old_orphan_check, rustc_private)]
+#![feature(rustc_private)]
 
 extern crate serialize;
 

src/test/run-pass/deriving-global.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(old_orphan_check, rand, rustc_private)]
+#![feature(rand, rustc_private)]
 
 extern crate serialize;
 extern crate rand;

src/test/run-pass/issue-11881.rs

@@ -10,7 +10,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![feature(old_orphan_check, rustc_private, old_io)]
+#![feature(rustc_private, old_io)]
 
 extern crate rbml;
 extern crate serialize;

src/test/run-pass/issue-14021.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(old_orphan_check, rustc_private)]
+#![feature(rustc_private)]
 
 extern crate serialize;
 

src/test/run-pass/issue-15734.rs

@@ -13,7 +13,7 @@
 
 // pretty-expanded FIXME #23616
 
-#![feature(old_orphan_check, core)]
+#![feature(core)]
 
 use std::ops::Index;
 

src/test/run-pass/issue-3743.rs

@@ -10,7 +10,6 @@
 
 // If `Mul` used an associated type for its output, this test would
 // work more smoothly.
-#![feature(old_orphan_check)]
 
 use std::ops::Mul;