// ignore-test :sadface: it's not possible to prevent this user error at compile time
// see rust-lang/rust#53975 for details

#![no_main]
#![no_std]

extern crate cortex_m_rt;
extern crate panic_halt;

use cortex_m_rt::{entry, exception};

#[entry]
fn foo() -> ! {
    loop {}
}

mod hidden {
    use cortex_m_rt::exception;

    #[exception]
    unsafe fn DefaultHandler(_irqn: i16) {}
}