message: format > to_string
diff: @@ -365,7 +365,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
  "breakpoint" => {
  let [] = check_arg_count(args)?;
  // normally this would raise a SIGTRAP, which aborts if no debugger is connected
  - throw_machine_stop!(TerminationInfo::Abort("Trace/breakpoint trap".to_string()))
  + throw_machine_stop!(TerminationInfo::Abort(format!("Trace/breakpoint trap")))
  }
  name => throw_unsup_format!("unimplemented intrinsic: `{name}`"),
  