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-rw-r--r--library/alloc/tests/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs
index c5c6a122cfe..ffc9a233b66 100644
--- a/library/alloc/tests/lib.rs
+++ b/library/alloc/tests/lib.rs
@@ -6,7 +6,7 @@
 #![feature(cow_is_borrowed)]
 #![feature(const_cow_is_borrowed)]
 #![feature(const_heap)]
-#![feature(const_mut_refs)]
+#![cfg_attr(bootstrap, feature(const_mut_refs))]
 #![feature(const_slice_from_raw_parts_mut)]
 #![feature(const_ptr_write)]
 #![feature(const_try)]