Rollup of 8 pull requests #126364
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Rollup of 8 pull requests #126364
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This is the first time we have a lint with configuration exposed in `Cargo.toml`. When this was done, interest was expressed in using this for other cases in the future. To this end, we need to make the documentation for the lint configuration discoverable from the documentation for that lint.
At the suggestion of @Urgau
Since we support solaris 11 and macOs Sierra as minimum, we can get rid of the runtime overhead.
There is now no way to create a TyConst from an integer, so I propose making this method public unless there was a reason for keeping it otherwise.
…=lcnr Walk into alias-eq nested goals even if normalization fails Somewhat broken due to the fact that we don't handle aliases well, nor do we handle ambiguities well. Still want to put up this incremental piece, since it improves type errors for projections whose trait refs are not satisfied. r? lcnr
…=jackh726 Harmonize using root or leaf obligation in trait error reporting When rust-lang#121826 changed the error reporting to use root obligation and not the leafmost obligation, it didn't actually make sure that all the other diagnostics helper functions used the right obligation. Specifically, when reporting similar impl candidates we are looking for impls of the root obligation, but trying to match them against the trait ref of the leaf obligation. This does a few other miscellaneous changes. There's a lot more clean-up that could be done here, but working with this code is really grief-inducing due to how messy it has become over the years. Someone really needs to show it love. 😓 r? `@estebank` Fixes rust-lang#126129
Add Option::is_none_or ACP: rust-lang/libs-team#212
Add test for walking order dependent opaque type behaviour r? `@lcnr` adding the test for your comment here: https://github.com/rust-lang/rust/pull/122366/files#r1521124754
std::unix::fs::link using direct linkat call for Solaris. Since we support solaris 11 as minimum, we can get rid of the runtime overhead.
Move `MatchAgainstFreshVars` to old solver Small change I noticed when trying to uplift the relations to the new trait solver.
docs(rustc): Improve discoverable of Cargo docs In preparing Cargo's blog post for 1.80, I tried to find the documentation for the lint configuration and I couldn't. The link is only visible from the lint itself, which isn't where I started, and the side bar, which was collapsed for me. The first place I went was the docs for `unexpected_cfgs` because this is configuration for that lint. If using lint configuration were a one off, I could see skipping it here. However, when we discussed this with at least one T-compiler member, there was interest in using this for other lints in the future. To that end, it seems like we should be exposing this with the lint itself. The second place I checked was the `check-cfg` documentation. This now has a call out for the sub-page.
Make `try_from_target_usize` method public There is now no way to create a TyConst from an integer, so I propose making this method public unless there was a reason for keeping it otherwise.
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Successful merges:
MatchAgainstFreshVarsto old solver #126353 (MoveMatchAgainstFreshVarsto old solver)try_from_target_usizemethod public #126362 (Maketry_from_target_usizemethod public)r? @ghost
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