Rename Alloc to AllocRef

src/test/ui/allocator-alloc-one.rs

@@ -4,7 +4,7 @@
 
 #![feature(allocator_api, nonnull)]
 
-use std::alloc::{Alloc, Global, Layout, handle_alloc_error};
+use std::alloc::{AllocRef, Global, Layout, handle_alloc_error};
 
 fn main() {
     unsafe {

src/test/ui/allocator/custom.rs

@@ -7,7 +7,7 @@
 
 extern crate helper;
 
-use std::alloc::{self, Global, Alloc, System, Layout};
+use std::alloc::{self, Global, AllocRef, System, Layout};
 use std::sync::atomic::{AtomicUsize, Ordering};
 
 static HITS: AtomicUsize = AtomicUsize::new(0);

src/test/ui/allocator/xcrate-use.rs

@@ -9,7 +9,7 @@
 extern crate custom;
 extern crate helper;
 
-use std::alloc::{Global, Alloc, System, Layout};
+use std::alloc::{Global, AllocRef, System, Layout};
 use std::sync::atomic::{Ordering, AtomicUsize};
 
 #[global_allocator]

src/test/ui/realloc-16687.rs

@@ -6,7 +6,7 @@
 
 #![feature(allocator_api)]
 
-use std::alloc::{Global, Alloc, Layout, handle_alloc_error};
+use std::alloc::{Global, AllocRef, Layout, handle_alloc_error};
 use std::ptr::{self, NonNull};
 
 fn main() {

src/test/ui/regions/regions-mock-codegen.rs

@@ -6,7 +6,7 @@
 
 #![feature(allocator_api)]
 
-use std::alloc::{Alloc, Global, Layout, handle_alloc_error};
+use std::alloc::{AllocRef, Global, Layout, handle_alloc_error};
 use std::ptr::NonNull;
 
 struct arena(());