error: expected one of `.`, `;`, `?`, `else`, or an operator, found `""` --> $DIR/issue-37234.rs:3:19 | LL | let x = 5 ""; | ^^ expected one of `.`, `;`, `?`, `else`, or an operator ... LL | failed!(); | --------- in this macro invocation | = note: this error originates in the macro `failed` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error