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-rw-r--r--library/core/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
index 8f292bf1551..0c95ecafc7c 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -171,6 +171,7 @@
 #![feature(const_type_id)]
 #![feature(const_type_name)]
 #![feature(const_typed_swap)]
+#![feature(const_ub_checks)]
 #![feature(const_unicode_case_lookup)]
 #![feature(const_unsafecell_get_mut)]
 #![feature(const_waker)]