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//@ only-aarch64
//@ run-pass
//@ needs-asm-support
//@ needs-unwind
#![feature(asm_unwind)]
use std::arch::asm;
use std::panic::{catch_unwind, resume_unwind, AssertUnwindSafe};
struct Foo<'a>(&'a mut bool);
impl Drop for Foo<'_> {
fn drop(&mut self) {
*self.0 = false;
}
}
extern "C" fn panicky() {
resume_unwind(Box::new(()));
}
fn main() {
let flag = &mut true;
catch_unwind(AssertUnwindSafe(|| {
let _foo = Foo(flag);
unsafe {
asm!(
"bl {}",
sym panicky,
clobber_abi("C"),
options(may_unwind)
);
}
}))
.expect_err("expected a panic");
assert_eq!(*flag, false);
}
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