Add new feature gate opt-in necessary for `new-box-syntax.rs`.

diff --git a/src/test/run-pass/new-box-syntax.rs b/src/test/run-pass/new-box-syntax.rs
index b5a54a90ae758ef778d7ebbbdb372b45819f21b5..d2ebd6863fa6d6a95a66108eb87e27b0622c02c9 100644 (file)
--- a/src/test/run-pass/new-box-syntax.rs
+++ b/src/test/run-pass/new-box-syntax.rs
@@ -15,6 +15,7 @@
 
 #![allow(warnings)]
 #![feature(box_syntax, box_heap)]
+#![feature(placement_in_syntax)]
 
 // Tests that the new `box` syntax works with unique pointers.