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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 1612aa582ad..d1936b6b566 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -126,6 +126,7 @@
 #![feature(const_option)]
 #![feature(const_option_ext)]
 #![feature(const_pin)]
+#![feature(const_ptr_sub_ptr)]
 #![feature(const_replace)]
 #![feature(const_ptr_as_ref)]
 #![feature(const_ptr_is_null)]