rust/tests/ui/issues/issue-17734.rs
2023-01-11 09:32:08 +00:00

16 lines
423 B
Rust

// run-pass
// Test that generating drop glue for Box<str> doesn't ICE
fn f(s: Box<str>) -> Box<str> {
s
}
fn main() {
// There is currently no safe way to construct a `Box<str>`, so improvise
let box_arr: Box<[u8]> = Box::new(['h' as u8, 'e' as u8, 'l' as u8, 'l' as u8, 'o' as u8]);
let box_str: Box<str> = unsafe { std::mem::transmute(box_arr) };
assert_eq!(&*box_str, "hello");
f(box_str);
}