Rollup of 8 pull requests #112801
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Rollup of 8 pull requests #112801
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The integer type tracking borrow count has a typedef called `BorrowFlag`. This type should be used instead of explicit `isize`.
Usage of `Pin::new_unchecked(&mut …)` is dangerous with `poll_fn`, even though the `!Unpin`-infectiousness has made things smoother. Nonetheless, there are easy ways to avoid the need for any `unsafe` altogether, be it through `Box::pin`ning, or the `pin!` macro. Since the latter only works within an `async` context, showing an example artifically introducing one ought to help people navigate this subtlety with safety and confidence.
…d_macro_suggestions
…n-clarifications, r=thomcc [doc] `poll_fn`: explain how to `pin` captured state safely Usage of `Pin::new_unchecked(&mut …)` is dangerous with `poll_fn`, even though the `!Unpin`-infectiousness has made things smoother. Nonetheless, there are easy ways to avoid the need for any `unsafe` altogether, be it through `Box::pin`ning, or the `pin!` macro. Since the latter only works within an `async` context, showing an example artificially introducing one ought to help people navigate this subtlety with safety and confidence. ## Preview https://user-images.githubusercontent.com/9920355/230092494-da22fdcb-0b8f-4ff4-a2ac-aa7d9ead077a.mov ``@rustbot`` label +A-docs
…e_impl, r=cjgillot Simplify `Span::source_callee` impl Imo the iterator impl is easier to grasp.
Use BorrowFlag instead of explicit isize The integer type tracking borrow count has a typedef called `BorrowFlag`. This type should be used instead of explicit `isize`.
…ve1, r=WaffleLapkin Rewrite various resolve/diagnostics errors as translatable diagnostics additional question: For trivial strings is it ever accepted to use `fluent_generated::foo` in a `label` for example? Or is an empty struct `Diagnostic` preferred?
…e, r=oli-obk Continue folding in query normalizer on weak aliases Fixes rust-lang#112752 Fixes rust-lang#112731 (same root cause, so didn't make a test for it) fixes rust-lang#112776 r? ``@oli-obk``
Treat TAIT equation as always ambiguous in coherence Not sure why we weren't treating all TAIT equality as ambiguous -- this behavior combined with `DefineOpaqueTypes::No` leads to coherence overlap failures, since we incorrectly consider impls as not overlapping because the obligation `T: From<Foo>` doesn't hold. Fixes rust-lang#112765
…ce, r=fee1-dead
Don't ICE on bound var in `reject_fn_ptr_impls`
We may try to use an impl like `impl<T: FnPtr> PartialEq {}` to satisfy a predicate like `for<T> T: PartialEq` -- don't ICE in that case.
Fixes rust-lang#112735
…-obk Fix linker failures when #[global_allocator] is used in a dependency Fixes rust-lang#112715
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@bors r+ rollup=never p=8 |
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⌛ Testing commit 1b7f451 with merge 5f3f050942dda394db176dd05593795c094f01a6... |
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The job Click to see the possible cause of the failure (guessed by this bot) |
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💔 Test failed - checks-actions |
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Successful merges:
poll_fn: explain how topincaptured state safely #109970 ([doc]poll_fn: explain how topincaptured state safely)Span::source_calleeimpl #112705 (SimplifySpan::source_calleeimpl)reject_fn_ptr_impls#112783 (Don't ICE on bound var inreject_fn_ptr_impls)r? @ghost
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