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-rw-r--r--compiler/rustc_const_eval/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs
index bf7a79dcb20..3840cdf7575 100644
--- a/compiler/rustc_const_eval/src/lib.rs
+++ b/compiler/rustc_const_eval/src/lib.rs
@@ -2,6 +2,7 @@
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![doc(rust_logo)]
+#![feature(array_try_map)]
 #![feature(assert_matches)]
 #![feature(box_patterns)]
 #![feature(decl_macro)]