error[E0133]: call to unsafe function `unchecked_add` is unsafe and requires unsafe function or block
  --> $DIR/unchecked_math_unsafe.rs:8:15
   |
LL |     let add = std::intrinsics::unchecked_add(x, y);
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
   |
   = note: consult the function's documentation for information on how to avoid undefined behavior

error[E0133]: call to unsafe function `unchecked_sub` is unsafe and requires unsafe function or block
  --> $DIR/unchecked_math_unsafe.rs:9:15
   |
LL |     let sub = std::intrinsics::unchecked_sub(x, y);
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
   |
   = note: consult the function's documentation for information on how to avoid undefined behavior

error[E0133]: call to unsafe function `unchecked_mul` is unsafe and requires unsafe function or block
  --> $DIR/unchecked_math_unsafe.rs:10:15
   |
LL |     let mul = std::intrinsics::unchecked_mul(x, y);
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
   |
   = note: consult the function's documentation for information on how to avoid undefined behavior

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0133`.