prepare for MaybeUninit stabilization

RalfJung · RalfJung · commit 0c85dbf3df0f · 2019-05-20T10:53:34.000+02:00
diff --git a/tests/run-pass/stacked-borrows/interior_mutability.rs b/tests/run-pass/stacked-borrows/interior_mutability.rs
@@ -1,4 +1,4 @@
-#![feature(maybe_uninit, maybe_uninit_ref)]
+#![feature(maybe_uninit_extra, maybe_uninit_ref)]
 use std::mem::MaybeUninit;
 use std::cell::{Cell, RefCell, UnsafeCell};
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#![feature(maybe_uninit, maybe_uninit_ref)]`
	`1`	`+#![feature(maybe_uninit_extra, maybe_uninit_ref)]`
`2`	`2`	`use std::mem::MaybeUninit;`
`3`	`3`	`use std::cell::{Cell, RefCell, UnsafeCell};`
`4`	`4`