rust/tests/compile-fail/panic/bad_unwind.rs
2021-12-24 12:02:23 +01:00

15 lines
411 B
Rust

// error-pattern: unwinding past a stack frame that does not allow unwinding
#![feature(c_unwind)]
//! Unwinding when the caller ABI is "C" (without "-unwind") is UB.
extern "C-unwind" fn unwind() {
panic!();
}
fn main() {
let unwind: extern "C-unwind" fn() = unwind;
let unwind: extern "C" fn() = unsafe { std::mem::transmute(unwind) };
std::panic::catch_unwind(|| unwind()).unwrap_err();
}