error: expected expression, found keyword `struct` --> $DIR/issue-34421-mac-expr-bad-stmt-good-add-semi.rs:3:9 | LL | struct $a; | ^^^^^^ expected expression ... LL | make_item!(A) | ------------- in this macro invocation | = note: the macro call doesn't expand to an expression, but it can expand to a statement = note: this error originates in the macro `make_item` (in Nightly builds, run with -Z macro-backtrace for more info) help: add `;` to interpret the expansion as a statement | LL | make_item!(A); | + error: expected expression, found keyword `struct` --> $DIR/issue-34421-mac-expr-bad-stmt-good-add-semi.rs:3:9 | LL | struct $a; | ^^^^^^ expected expression ... LL | make_item!(B) | ------------- in this macro invocation | = note: the macro call doesn't expand to an expression, but it can expand to a statement = note: this error originates in the macro `make_item` (in Nightly builds, run with -Z macro-backtrace for more info) help: add `;` to interpret the expansion as a statement | LL | make_item!(B); | + error: aborting due to 2 previous errors