Use const Box::default in P::<[T]>::new

2022-04-11 11:44:13 -07:00
parent a2902ebe57
commit 2d5eda8fb0
2 changed files with 3 additions and 8 deletions
--- a/compiler/rustc_ast/src/lib.rs
+++ b/compiler/rustc_ast/src/lib.rs
@@ -9,6 +9,8 @@
    test(attr(deny(warnings)))
 )]
 #![feature(box_patterns)]
+#![feature(const_default_impls)]
+#![feature(const_trait_impl)]
 #![feature(crate_visibility_modifier)]
 #![feature(if_let_guard)]
 #![feature(label_break_value)]