let panic_call = Mac_ {
path: Path::from_ident(Ident::new(sym::panic, sp)),
tts: custom_message.unwrap_or_else(|| {
- TokenStream::from(TokenTree::Token(
+ TokenStream::from(TokenTree::token(
DUMMY_SP,
TokenKind::lit(token::Str, Symbol::intern(&format!(
"assertion failed: {}",