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-rw-r--r--src/librustc/lib.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/librustc/lib.rs b/src/librustc/lib.rs
index 498e1aa3520..5e9019c92c5 100644
--- a/src/librustc/lib.rs
+++ b/src/librustc/lib.rs
@@ -45,17 +45,21 @@
 #![feature(conservative_impl_trait)]
 #![feature(const_fn)]
 #![feature(core_intrinsics)]
+#![feature(drain_filter)]
 #![feature(i128_type)]
+#![feature(match_default_bindings)]
 #![feature(inclusive_range_syntax)]
 #![cfg_attr(windows, feature(libc))]
 #![feature(macro_vis_matcher)]
 #![feature(never_type)]
 #![feature(nonzero)]
 #![feature(quote)]
+#![feature(refcell_replace_swap)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(slice_patterns)]
 #![feature(specialization)]
 #![feature(unboxed_closures)]
+#![feature(underscore_lifetimes)]
 #![feature(trace_macros)]
 #![feature(test)]
 #![feature(const_atomic_bool_new)]