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Rollup merge of #110476 - compiler-errors:ty-err-ctxt-good-path, r=lcnr

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Delay a good path bug on drop for `TypeErrCtxt` (instead of a regular delayed bug)

r? `@lcnr`
Perhaps we should just delete the `Drop` impl altogether though?

Fixes rust-lang/rust-clippy#10645

`@matthiaskrgr:` I don't know how to make a clippy test for this. Any idea? Clippy's UI tests run with `-D warnings` and I have no idea how to switch it off to make a test that triggers this ICE in the clippy test suite 🤣
This commit is contained in:
Matthias Krüger 2023-04-19 06:35:35 +02:00 committed by GitHub
commit f20da94ccf
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3 changed files with 21 additions and 3 deletions
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3
compiler/rustc_infer/src/infer/error_reporting/mod.rs
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@ -74,7 +74,6 @@ use rustc_middle::ty::{
self, error::TypeError, List, Region, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable,
TypeVisitable, TypeVisitableExt,
};
use rustc_span::DUMMY_SP;
use rustc_span::{sym, symbol::kw, BytePos, DesugaringKind, Pos, Span};
use rustc_target::spec::abi;
use std::ops::{ControlFlow, Deref};
@ -138,7 +137,7 @@ impl Drop for TypeErrCtxt<'_, '_> {
self.infcx
.tcx
.sess
.delay_span_bug(DUMMY_SP, "used a `TypeErrCtxt` without failing compilation");
.delay_good_path_bug("used a `TypeErrCtxt` without raising an error or lint");
}
}
}

5
src/tools/clippy/tests/ui/crashes/ice-5207.rs
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@ -1,5 +1,8 @@
// Regression test for https://github.com/rust-lang/rust-clippy/issues/5207
// compile-flags: --cap-lints=warn
// ^ for https://github.com/rust-lang/rust-clippy/issues/10645
// Regression test for https://github.com/rust-lang/rust-clippy/issues/5207
#![warn(clippy::future_not_send)]
pub async fn bar<'a, T: 'a>(_: T) {}
fn main() {}

16
src/tools/clippy/tests/ui/crashes/ice-5207.stderr Normal file
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@ -0,0 +1,16 @@
warning: future cannot be sent between threads safely
--> $DIR/ice-5207.rs:6:35
|
LL | pub async fn bar<'a, T: 'a>(_: T) {}
| ^ future returned by `bar` is not `Send`
|
note: captured value is not `Send`
--> $DIR/ice-5207.rs:6:29
|
LL | pub async fn bar<'a, T: 'a>(_: T) {}
| ^ has type `T` which is not `Send`
= note: `T` doesn't implement `std::marker::Send`
= note: `-D clippy::future-not-send` implied by `-D warnings`
warning: 1 warning emitted