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// compile-flags:-Cstrip=none
// run-fail
// check-run-results
// exec-env:RUST_BACKTRACE=1
// needs-unwind
// ignore-android FIXME #17520
// ignore-wasm no panic support
// ignore-openbsd no support for libbacktrace without filename
// ignore-emscripten no panic
// ignore-sgx Backtraces not symbolized
// ignore-fuchsia Backtraces not symbolized
// ignore-msvc the `__rust_{begin,end}_short_backtrace` symbols aren't reliable.
#[inline(never)]
fn __rust_begin_short_backtrace<T, F: FnOnce() -> T>(f: F) -> T {
let result = f();
std::hint::black_box(result)
}
#[inline(never)]
fn __rust_end_short_backtrace<T, F: FnOnce() -> T>(f: F) -> T {
let result = f();
std::hint::black_box(result)
}
fn first() {
__rust_end_short_backtrace(|| second());
// do not take effect since we already has a inner call of __rust_end_short_backtrace
}
fn second() {
__rust_end_short_backtrace(|| third());
}
fn third() {
fourth(); // won't show up in backtrace
}
fn fourth() {
fifth(); // won't show up in backtrace
}
fn fifth() {
__rust_begin_short_backtrace(|| sixth());
}
fn sixth() {
seven();
}
fn seven() {
panic!("debug!!!");
}
fn main() {
first();
}
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