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-rw-r--r--src/liballoc/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 541de2d37fb..b92dfa9117e 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -75,7 +75,7 @@
 #![feature(box_syntax)]
 #![feature(optin_builtin_traits)]
 #![feature(unboxed_closures)]
-#![feature(unsafe_no_drop_flag)]
+#![feature(unsafe_no_drop_flag, filling_drop)]
 #![feature(core)]
 #![feature(unique)]
 #![cfg_attr(test, feature(test, alloc, rustc_private))]