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5d32fd1b06
The warning can be reproduced with 1.63 but not with 1.64.
$ rustc +1.63 tests/ui/lint/unused/const-local-var.rs
warning: constant `F` is never used
--> tests/ui/lint/unused/const-local-var.rs:14:9
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14 | const F: i32 = 2;
| ^^^^^^^^^^^^^^^^^
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= note: `#[warn(dead_code)]` on by default
$ rustc +1.64 tests/ui/lint/unused/const-local-var.rs
Add a regression test to prevent the problem from re-appearing.
24 lines
353 B
Rust
24 lines
353 B
Rust
// regression test for https://github.com/rust-lang/rust/issues/69016
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// check-pass
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#![warn(unused)]
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#![deny(warnings)]
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fn _unused1(x: i32) -> i32 {
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const F: i32 = 2;
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let g = 1;
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x * F + g
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}
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pub struct Foo {}
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impl Foo {
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fn _unused2(x: i32) -> i32 {
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const F: i32 = 2;
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let g = 1;
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x * F + g
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}
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}
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fn main() {}
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