src/test/ui/issues/issue-17718-const-borrow.rs

   1 use std::cell::UnsafeCell;
   2
   3 const A: UnsafeCell<usize> = UnsafeCell::new(1);
   4 const B: &'static UnsafeCell<usize> = &A;
   5 //~^ ERROR: cannot borrow a constant which may contain interior mutability
   6
   7 struct C { a: UnsafeCell<usize> }
   8 const D: C = C { a: UnsafeCell::new(1) };
   9 const E: &'static UnsafeCell<usize> = &D.a;
  10 //~^ ERROR: cannot borrow a constant which may contain interior mutability
  11 const F: &'static C = &D;
  12 //~^ ERROR: cannot borrow a constant which may contain interior mutability
  13
  14 fn main() {}