rust/tests/ui/panics/runtime-switch.rs

// Test for std::panic::set_backtrace_style.

//@ compile-flags: -O
//@ compile-flags:-Cstrip=none
//@ run-fail
//@ check-run-results
//@ exec-env:RUST_BACKTRACE=0

//@ ignore-msvc see #62897 and `backtrace-debuginfo.rs` test
//@ ignore-android FIXME #17520
//@ ignore-openbsd no support for libbacktrace without filename
//@ ignore-wasm no backtrace support
//@ ignore-emscripten no panic or subprocess support
//@ ignore-sgx no subprocess support
//@ ignore-fuchsia Backtrace not symbolized

// NOTE(eddyb) output differs between symbol mangling schemes
//@ revisions: legacy v0
//@ [legacy] compile-flags: -Zunstable-options -Csymbol-mangling-version=legacy
//@     [v0] compile-flags: -Csymbol-mangling-version=v0

#![feature(panic_backtrace_config)]

fn main() {
    std::panic::set_backtrace_style(std::panic::BacktraceStyle::Short);
    panic!()
}