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warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/promoted-function-2.rs:4:12
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LL | #![feature(generic_const_exprs, rustc_attrs)]
| ^^^^^^^^^^^^^^^^^^^
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= note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
= note: `#[warn(incomplete_features)]` on by default
error: item has unused generic parameters
--> $DIR/promoted-function-2.rs:8:4
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LL | fn test<T>() {
| ^^^^ - generic parameter `T` is unused
error: aborting due to 1 previous error; 1 warning emitted
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