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//@ run-pass
//@ needs-unwind
//@ ignore-emscripten no threads support
// Test that if a slicing expr[..] fails, the correct cleanups happen.
// FIXME(static_mut_refs): this could use an atomic
#![allow(static_mut_refs)]
use std::thread;
struct Foo;
static mut DTOR_COUNT: isize = 0;
impl Drop for Foo {
fn drop(&mut self) { unsafe { DTOR_COUNT += 1; } }
}
fn bar() -> usize {
panic!();
}
fn foo() {
let x: &[_] = &[Foo, Foo];
let _ = &x[3..bar()];
}
fn main() {
let _ = thread::spawn(move|| foo()).join();
unsafe { assert_eq!(DTOR_COUNT, 2); }
}
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