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-rw-r--r--compiler/rustc_mir/src/lib.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_mir/src/lib.rs b/compiler/rustc_mir/src/lib.rs
index 194bc74c0fb..f73d5dc0c11 100644
--- a/compiler/rustc_mir/src/lib.rs
+++ b/compiler/rustc_mir/src/lib.rs
@@ -7,6 +7,7 @@ Rust MIR: a lowered representation of Rust.
 #![feature(nll)]
 #![feature(in_band_lifetimes)]
 #![feature(array_windows)]
+#![feature(assert_matches)]
 #![feature(bindings_after_at)]
 #![feature(bool_to_option)]
 #![feature(box_patterns)]
@@ -18,13 +19,13 @@ Rust MIR: a lowered representation of Rust.
 #![feature(exact_size_is_empty)]
 #![feature(exhaustive_patterns)]
 #![feature(never_type)]
+#![feature(map_try_insert)]
 #![feature(min_specialization)]
 #![feature(trusted_len)]
 #![feature(try_blocks)]
 #![feature(associated_type_defaults)]
 #![feature(stmt_expr_attributes)]
 #![feature(trait_alias)]
-#![feature(option_expect_none)]
 #![feature(option_get_or_insert_default)]
 #![feature(or_patterns)]
 #![feature(once_cell)]