}
if self.check_keyword(keywords::Const) {
- return Err(self.span_fatal(self.span, "extern items cannot be `const`"));
+ let mut err = self.span_fatal(self.span, "extern items cannot be `const`");
+ err.help("use `static` instead");
+ return Err(err);
}
// FIXME #5668: this will occur for a macro invocation: