error[E0492]: interior mutable shared borrows of temporaries that have their lifetime extended until the end of the program are not allowed
  --> $DIR/issue-17718-const-borrow.rs:4:39
   |
LL | const B: &'static UnsafeCell<usize> = &A;
   |                                       ^^ this borrow of an interior mutable value refers to such a temporary
   |
   = note: Temporaries in constants and statics can have their lifetime extended until the end of the program
   = note: To avoid accidentally creating global mutable state, such temporaries must be immutable
   = help: If you really want global mutable state, try replacing the temporary by an interior mutable `static` or a `static mut`

error[E0492]: interior mutable shared borrows of temporaries that have their lifetime extended until the end of the program are not allowed
  --> $DIR/issue-17718-const-borrow.rs:9:39
   |
LL | const E: &'static UnsafeCell<usize> = &D.a;
   |                                       ^^^^ this borrow of an interior mutable value refers to such a temporary
   |
   = note: Temporaries in constants and statics can have their lifetime extended until the end of the program
   = note: To avoid accidentally creating global mutable state, such temporaries must be immutable
   = help: If you really want global mutable state, try replacing the temporary by an interior mutable `static` or a `static mut`

error[E0492]: interior mutable shared borrows of temporaries that have their lifetime extended until the end of the program are not allowed
  --> $DIR/issue-17718-const-borrow.rs:11:23
   |
LL | const F: &'static C = &D;
   |                       ^^ this borrow of an interior mutable value refers to such a temporary
   |
   = note: Temporaries in constants and statics can have their lifetime extended until the end of the program
   = note: To avoid accidentally creating global mutable state, such temporaries must be immutable
   = help: If you really want global mutable state, try replacing the temporary by an interior mutable `static` or a `static mut`

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0492`.