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warning: trailing semicolon in macro used in expression position
--> $DIR/lint-trailing-macro-call.rs:9:25
|
LL | #[cfg(FALSE)] 25;
| ^
...
LL | expand_it!()
| ------------ in this macro invocation
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
= note: macro invocations at the end of a block are treated as expressions
= note: to ignore the value produced by the macro, add a semicolon after the invocation of `expand_it`
= note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
= note: this warning originates in the macro `expand_it` (in Nightly builds, run with -Z macro-backtrace for more info)
warning: 1 warning emitted
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