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-rw-r--r--src/librustdoc/lib.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index 751f2301053..f851d1a2372 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -14,6 +14,9 @@
 #![feature(crate_visibility_modifier)]
 #![feature(never_type)]
 #![feature(once_cell)]
+#![feature(type_ascription)]
+#![feature(split_inclusive)]
+#![feature(str_split_once)]
 #![recursion_limit = "256"]
 
 #[macro_use]