Rollup of 5 pull requests #135161
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Rollup of 5 pull requests #135161
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As of the stabilization of `std::backtrace` in Rust 1.65, this package flag has no effect other than to enable an unused dependency on the `backtrace` crate.
…ysis, r=lcnr
Use `PostBorrowckAnalysis` in `check_coroutine_obligations`
This currently errors with:
```
error: concrete type differs from previous defining opaque type use
--> tests/ui/coroutine/issue-52304.rs:10:21
|
10 | pub fn example() -> impl Coroutine {
| ^^^^^^^^^^^^^^ expected `{example::{closure#0} upvar_tys=() resume_ty=() yield_ty=&'{erased} i32 return_ty=() witness={example::{closure#0}}}`, got `{example::{closure#0} upvar_tys=() resume_ty=() yield_ty=&'static i32 return_ty=() witness={example::{closure#0}}}`
|
= note: previous use here
```
This is because we end up redefining the opaque in `check_coroutine_obligations` but with the `yield_ty = &'erased i32` from hir typeck, which causes the *equality* check for opaques to fail.
The coroutine obligtions in question (when `-Znext-solver` is enabled) are:
```
Binder { value: TraitPredicate(<Opaque(DefId(0:5 ~ issue_52304[4c6d]::example::{opaque#0}), []) as std::marker::Sized>, polarity:Positive), bound_vars: [] }
Binder { value: AliasRelate(Term::Ty(Alias(Opaque, AliasTy { args: [], def_id: DefId(0:5 ~ issue_52304[4c6d]::example::{opaque#0}), .. })), Equate, Term::Ty(Coroutine(DefId(0:6 ~ issue_52304[4c6d]::example::{closure#0}), [(), (), &'{erased} i32, (), CoroutineWitness(DefId(0:6 ~ issue_52304[4c6d]::example::{closure#0}), []), ()]))), bound_vars: [] }
Binder { value: AliasRelate(Term::Ty(Coroutine(DefId(0:6 ~ issue_52304[4c6d]::example::{closure#0}), [(), (), &'{erased} i32, (), CoroutineWitness(DefId(0:6 ~ issue_52304[4c6d]::example::{closure#0}), []), ()])), Subtype, Term::Ty(Alias(Opaque, AliasTy { args: [], def_id: DefId(0:5 ~ issue_52304[4c6d]::example::{opaque#0}), .. }))), bound_vars: [] }
```
Ignoring the fact that we end up stalling some really dumb obligations here (lol), I think it makes more sense for us to be using post borrowck analysis for this check anyways.
r? lcnr
…sg, r=davidtwco Suppress host effect predicates if underlying trait doesn't hold Don't report two errors for when the (`HostEffectPredicate`) `T: const Trait` isn't implemented because (`TraitPredicate`) `T: Trait` doesn't even hold.
bootstrap: Consolidate coverage test suite steps into a single step Now that I have more understanding of bootstrap steps, and a renewed distaste for unnecessary macros, I have managed to express the subtleties of the `tests/coverage` test suite in a single step defined in ordinary code, with no need for helper macros. Deciding which modes to run is still a bit clunky due to limitations in existing ShouldRun/PathSet APIs, but I think it's a net improvement over having to declare several different steps to handle the suite path and aliases. The interaction with `--skip` isn't as nice as I'd like, but all of the known limitations are limitations that already existed in the previous implementation. One minor change is that by default compiletest is now invoked in `coverage-run` mode even when cross-compiling. However, in that situation compiletest still knows that it should skip all of the individual coverage-run tests. r? jieyouxu (or reassign)
Don't enable anyhow's `backtrace` feature in opt-dist As of the stabilization of `std::backtrace` in Rust 1.65, this package flag has no effect other than to enable an unused dependency on the `backtrace` crate. (See <https://github.com/dtolnay/anyhow/blob/af0937ef72fbaf9784a6c991e029738728d025e2/Cargo.toml#L18-L23>.) While the presence of this feature in opt-dist doesn't cause other tools (which use anyhow) to actually *build* backtrace, it does affect the global crate graph used for dependency version resolution. After removing this feature, we can use `cargo tree --invert --package backtrace` to see that the only remaining reverse-dependency of backtrace is `color-eyre`, which is used by `ui_test`.
…jieyouxu,GuillaumeGomez Move the has_errors check in rustdoc back to after TyCtxt is created This was accidentally moved before TyCtxt creation by rust-lang#134302.
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|
@bors r+ rollup=never p=5 |
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Jan 6, 2025
…iaskrgr Rollup of 5 pull requests Successful merges: - rust-lang#134742 (Use `PostBorrowckAnalysis` in `check_coroutine_obligations`) - rust-lang#134951 (Suppress host effect predicates if underlying trait doesn't hold) - rust-lang#135097 (bootstrap: Consolidate coverage test suite steps into a single step) - rust-lang#135146 (Don't enable anyhow's `backtrace` feature in opt-dist) - rust-lang#135157 (Move the has_errors check in rustdoc back to after TyCtxt is created) r? `@ghost` `@rustbot` modify labels: rollup
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@bors retry Yield priority to the stable release. |
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Successful merges:
PostBorrowckAnalysisincheck_coroutine_obligations#134742 (UsePostBorrowckAnalysisincheck_coroutine_obligations)backtracefeature in opt-dist #135146 (Don't enable anyhow'sbacktracefeature in opt-dist)r? @ghost
@rustbot modify labels: rollup
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