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Rollup merge of #113018 - asquared31415:test_fix, r=TaKO8Ki

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Fix test for #96258

#98644 did not properly test enabling the problematic lint as a warning due to improper use of `compile-flags:` (missing `:`). This makes it use `#![warn]` instead, like in the reproducer.

cc #96258
This commit is contained in:
Guillaume Gomez 2023-06-25 10:46:16 +02:00 committed by GitHub
commit a3c147b90b
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2 changed files with 28 additions and 3 deletions
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4
tests/ui/span/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.rs
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@ -1,4 +1,4 @@
// compile-flags -Wrust-2021-incompatible-closure-captures
#![warn(rust_2021_incompatible_closure_captures)]
fn main() {}
@ -9,7 +9,7 @@ impl Numberer {
//~^ ERROR `async fn` is not permitted in Rust 2015
interval: Duration,
//~^ ERROR cannot find type `Duration` in this scope
) -> Numberer {
) -> Numberer { //~WARN: changes to closure capture in Rust 2021
Numberer {}
}
}

27
tests/ui/span/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.stderr
View File

@ -18,7 +18,32 @@ help: consider importing this struct
LL + use std::time::Duration;
|
error: aborting due to 2 previous errors
warning: changes to closure capture in Rust 2021 will affect drop order
--> $DIR/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.rs:12:19
|
LL | interval: Duration,
| -------- in Rust 2018, this causes the closure to capture `interval`, but in Rust 2021, it has no effect
LL |
LL | ) -> Numberer {
| _________________-_^
| | |
| | in Rust 2018, `interval` is dropped here along with the closure, but in Rust 2021 `interval` is not part of the closure
LL | | Numberer {}
LL | | }
| |_____^
|
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
note: the lint level is defined here
--> $DIR/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.rs:1:9
|
LL | #![warn(rust_2021_incompatible_closure_captures)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: add a dummy let to cause `interval` to be fully captured
|
LL | ) -> Numberer { let _ = &interval;
| ++++++++++++++++++
error: aborting due to 2 previous errors; 1 warning emitted
Some errors have detailed explanations: E0412, E0670.
For more information about an error, try `rustc --explain E0412`.