error[E0507]: cannot move out of a mutable reference
  --> $DIR/issue-20801.rs:26:22
   |
LL |     let a = unsafe { *mut_ref() };
   |                      ^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait
   |
note: if `T` implemented `Clone`, you could clone the value
  --> $DIR/issue-20801.rs:3:1
   |
LL | struct T(u8);
   | ^^^^^^^^ consider implementing `Clone` for this type
...
LL |     let a = unsafe { *mut_ref() };
   |                      ---------- you could clone this value
help: consider removing the dereference here
   |
LL -     let a = unsafe { *mut_ref() };
LL +     let a = unsafe { mut_ref() };
   |

error[E0507]: cannot move out of a shared reference
  --> $DIR/issue-20801.rs:29:22
   |
LL |     let b = unsafe { *imm_ref() };
   |                      ^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait
   |
note: if `T` implemented `Clone`, you could clone the value
  --> $DIR/issue-20801.rs:3:1
   |
LL | struct T(u8);
   | ^^^^^^^^ consider implementing `Clone` for this type
...
LL |     let b = unsafe { *imm_ref() };
   |                      ---------- you could clone this value
help: consider removing the dereference here
   |
LL -     let b = unsafe { *imm_ref() };
LL +     let b = unsafe { imm_ref() };
   |

error[E0507]: cannot move out of a raw pointer
  --> $DIR/issue-20801.rs:32:22
   |
LL |     let c = unsafe { *mut_ptr() };
   |                      ^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait
   |
note: if `T` implemented `Clone`, you could clone the value
  --> $DIR/issue-20801.rs:3:1
   |
LL | struct T(u8);
   | ^^^^^^^^ consider implementing `Clone` for this type
...
LL |     let c = unsafe { *mut_ptr() };
   |                      ---------- you could clone this value

error[E0507]: cannot move out of a raw pointer
  --> $DIR/issue-20801.rs:35:22
   |
LL |     let d = unsafe { *const_ptr() };
   |                      ^^^^^^^^^^^^ move occurs because value has type `T`, which does not implement the `Copy` trait
   |
note: if `T` implemented `Clone`, you could clone the value
  --> $DIR/issue-20801.rs:3:1
   |
LL | struct T(u8);
   | ^^^^^^^^ consider implementing `Clone` for this type
...
LL |     let d = unsafe { *const_ptr() };
   |                      ------------ you could clone this value

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0507`.