src/test/ui/consts/miri_unleashed/ptr_arith.rs

   1 // compile-flags: -Zunleash-the-miri-inside-of-you
   2 #![feature(core_intrinsics)]
   3 #![allow(const_err)]
   4
   5 // During CTFE, we prevent pointer comparison and pointer-to-int casts.
   6
   7 static CMP: () = {
   8     let x = &0 as *const _;
   9     let _v = x == x;
  10     //~^ ERROR could not evaluate static initializer
  11     //~| NOTE pointer arithmetic or comparison
  12 };
  13
  14 static INT_PTR_ARITH: () = unsafe {
  15     let x: usize = std::mem::transmute(&0);
  16     let _v = x + 0;
  17     //~^ ERROR could not evaluate static initializer
  18     //~| NOTE cannot cast pointer to integer
  19 };
  20
  21 fn main() {}