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//@ run-pass
//@ needs-subprocess
//@ compile-flags: -Zub-checks=no -Zmir-enable-passes=-CheckNull
//@ ignore-fuchsia must translate zircon signal to SIGSEGV/SIGBUS, FIXME (#58590)
#![feature(rustc_private)]
use std::env;
use std::ffi::c_char;
use std::process::{Command, ExitStatus};
#[link(name = "rust_test_helpers", kind = "static")]
extern "C" {
fn rust_get_null_ptr() -> *mut c_char;
}
#[cfg(unix)]
fn check_status(status: ExitStatus) {
extern crate libc;
use std::os::unix::process::ExitStatusExt;
assert!(status.signal() == Some(libc::SIGSEGV) || status.signal() == Some(libc::SIGBUS));
}
#[cfg(not(unix))]
fn check_status(status: ExitStatus) {
assert!(!status.success());
}
fn main() {
let args: Vec<String> = env::args().collect();
if args.len() > 1 && args[1] == "segfault" {
unsafe {
*rust_get_null_ptr() = 1;
}; // trigger a segfault
} else {
let segfault = Command::new(&args[0]).arg("segfault").output().unwrap();
let stderr = String::from_utf8_lossy(&segfault.stderr);
let stdout = String::from_utf8_lossy(&segfault.stdout);
println!("stdout: {}", stdout);
println!("stderr: {}", stderr);
println!("status: {}", segfault.status);
check_status(segfault.status);
assert!(!stderr.contains("has overflowed its stack"));
}
}
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