-
Notifications
You must be signed in to change notification settings - Fork 12.7k
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Paper over an accidental regression #115844
Conversation
@@ -8,7 8,7 @@ fn without_lt() -> impl for<'a> Trait<'a, Assoc = WithoutLt> {} | |||
//~^ ERROR captures lifetime that does not appear in bounds | |||
|
|||
type WithLt<'a> = impl Sized 'a; | |||
//~^ ERROR concrete type differs from previous defining opaque type use | |||
|
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Why does this disappear? It's a TAIT, not RPIT?
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
it's used in an RPIT right below
@@ -461,7 461,15 @@ fn check_opaque_meets_bounds<'tcx>( | |||
} | |||
match origin { | |||
// Checked when type checking the function containing them. | |||
hir::OpaqueTyOrigin::FnReturn(..) | hir::OpaqueTyOrigin::AsyncFn(..) => {} | |||
hir::OpaqueTyOrigin::FnReturn(..) | hir::OpaqueTyOrigin::AsyncFn(..) => { |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Wondering if AsyncFn should continue to fall through?
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
hmm true. But this is a revert of any stable effects of my old PR, there may be a repro with async fn
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Ah yeah, my mind jumped directly to AFITs, not even thinking about standalone functions.
@bors r |
…iaskrgr Rollup of 4 pull requests Successful merges: - rust-lang#115772 (Improve Span in smir) - rust-lang#115832 (Fix the error message for `#![feature(no_coverage)]`) - rust-lang#115834 (Properly consider binder vars in `HasTypeFlagsVisitor`) - rust-lang#115844 (Paper over an accidental regression) r? `@ghost` `@rustbot` modify labels: rollup
Rollup merge of rust-lang#115844 - oli-obk:opaque_lifetime_ambiguity, r=jackh726 Paper over an accidental regression r? types cc rust-lang#115781 (do not close issue until beta backport has been performed) The PR reasons are explained with comments in the source. In order to keep the diff simple, this PR effectively reverts rust-lang#113661, but only for RPITs. I will submit a follow up PR that fixes this correctly instead of just disabling the newly added check for RPITs. This PR should be significantly easier to review for beta backport
[beta] backports - Fix a pthread_t handle leak rust-lang#114696 - MCP661: Move wasm32-wasi-preview1-threads target to Tier 2 rust-lang#115345 - Don't modify libstd to dump rustc ICEs rust-lang#115627 - Paper over an accidental regression rust-lang#115844 - Update to LLVM 17.0.0 rust-lang#115959 r? cuviper
r? types
cc #115781 (do not close issue until beta backport has been performed)
The PR reasons are explained with comments in the source.
In order to keep the diff simple, this PR effectively reverts #113661, but only for RPITs. I will submit a follow up PR that fixes this correctly instead of just disabling the newly added check for RPITs. This PR should be significantly easier to review for beta backport