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#![allow(dead_code)]
use std::panic::UnwindSafe;
use std::cell::RefCell;
fn assert<T: UnwindSafe + ?Sized>() {}
fn main() {
assert::<*mut RefCell<i32>>();
//~^ ERROR the type `UnsafeCell<i32>` may contain interior mutability and a
//~| ERROR the type `UnsafeCell<isize>` may contain interior mutability and a
}
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