// run-pass // needs-unwind #![allow(dead_code)] #![allow(non_upper_case_globals)] // ignore-emscripten no threads support use std::thread; static mut dropped: bool = false; struct A { b: B, } struct B { foo: isize, } impl Drop for A { fn drop(&mut self) { panic!() } } impl Drop for B { fn drop(&mut self) { unsafe { dropped = true; } } } pub fn main() { let ret = thread::spawn(move|| { let _a = A { b: B { foo: 3 } }; }).join(); assert!(ret.is_err()); unsafe { assert!(dropped); } }