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-rw-r--r--library/std/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
index 97db0d6ab75..5725816c600 100644
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -350,6 +350,7 @@
 #![feature(float_gamma)]
 #![feature(float_minimum_maximum)]
 #![feature(fmt_internals)]
+#![feature(fn_ptr_trait)]
 #![feature(generic_atomic)]
 #![feature(hasher_prefixfree_extras)]
 #![feature(hashmap_internals)]