}
unsafe fn _print_fmt(fmt: &mut fmt::Formatter<'_>, print_fmt: PrintFmt) -> fmt::Result {
- let cwd = env::current_dir().ok();
+ // Always 'fail' to get the cwd when running under Miri -
+ // this allows Miri to display backtraces in isolation mode
+ let cwd = if !cfg!(miri) {
+ env::current_dir().ok()
+ } else {
+ None
+ };
+
let mut print_path = move |fmt: &mut fmt::Formatter<'_>, bows: BytesOrWideString<'_>| {
output_filename(fmt, bows, print_fmt, cwd.as_ref())
};