pub fn external_crate_str(&mut self, span: Span, name: &str, num: ast::CrateNum) {
let lo_loc = self.span.sess.codemap().lookup_char_pos(span.lo);
self.record_without_span(ExternalCrate,
- svec!(name, num, lo_loc.file.name),
+ svec!(name, num, SpanUtils::make_path_string(&lo_loc.file.name)),
span);
}