// run-pass // compile-flags:-Cstrip=none // compile-flags:-g -Csplit-debuginfo=unpacked // only-macos use std::process::Command; use std::str; #[inline(never)] fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() >= 2 { println!("{}", std::backtrace::Backtrace::force_capture()); return; } let out = Command::new(&args[0]).env("RUST_BACKTRACE", "1").arg("foo").output().unwrap(); let output = format!( "{}\n{}", str::from_utf8(&out.stdout).unwrap(), str::from_utf8(&out.stderr).unwrap(), ); if out.status.success() && output.contains(file!()) { return; } println!("status: {}", out.status); println!("child output:\n\t{}", output.replace("\n", "\n\t")); panic!("failed to find {:?} in output", file!()); }