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-rw-r--r--compiler/rustc_interface/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs
index 76131c1ad..ffa2667a3 100644
--- a/compiler/rustc_interface/src/lib.rs
+++ b/compiler/rustc_interface/src/lib.rs
@@ -3,6 +3,7 @@
#![feature(internal_output_capture)]
#![feature(thread_spawn_unchecked)]
#![feature(lazy_cell)]
+#![feature(let_chains)]
#![feature(try_blocks)]
#![recursion_limit = "256"]
#![allow(rustc::potential_query_instability)]