1 files changed, 2 insertions, 0 deletions
diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs
index 17011b845cf..773f2b955d8 100644
--- a/library/core/tests/lib.rs
+++ b/library/core/tests/lib.rs
@@ -96,6 +96,7 @@
 #![feature(const_option_ext)]
 #![feature(const_result)]
 #![cfg_attr(target_has_atomic = "128", feature(integer_atomics))]
+#![cfg_attr(test, feature(cfg_match))]
 #![feature(int_roundings)]
 #![feature(slice_group_by)]
 #![feature(split_array)]
@@ -139,6 +140,7 @@ mod hash;
 mod intrinsics;
 mod iter;
 mod lazy;
+#[cfg(test)]
 mod macros;
 mod manually_drop;
 mod mem;