1 error: expected identifier, found `String`
2 --> $DIR/issue-37113.rs:4:16
5 | ^^ expected identifier
7 LL | test_macro!(String,);
8 | -------------------- in this macro invocation
10 = note: this error originates in the macro `test_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
12 error: aborting due to previous error