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#53488 Refactoring UpvarId
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ljedrz:return_impl_Iterator_from_Predicate_walk_tys, r=oli-obk
ty: return impl Iterator from Predicate::walk_tys
Fixes the lazyboye `FIXME` by returning a custom `Iterator` as intended by the original author of the function.
It is indeed a bit convoluted, so I'm ok with not changing this if perf results are not favourable enough. Also happy to adjust any names if need be.
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Forward the ABI of the non-zero sized fields of an union if they have the same ABI
This is supposed to fix the performence regression of using MaybeUninit in
https://github.com/rust-lang/rust/pull/54668
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A few tweaks to iterations/collecting
- simplify and speed up `dot::GraphWalk::nodes` for `cfg::CFG`
- `reserve` the capacity for `edges` in `DepGraph::query`
- collect directly to a `HirVec` in `LoweringContext::lower_attrs`
- fix overallocation in `OnDiskCache::serialize`
- preallocate the `new_partitioning` vector in `merge_codegen_units`
- simplify `impl FromHex for str`
- improve the creation of `self_arg_names` in `impl MethodDef`
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Since lexical MIR borrow check is gone, and validation no longer uses
these, they can be removed.
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fix various typos in doc comments
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Wrap some query results in `Lrc`.
So that the frequent clones in `try_get` are cheaper.
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Refactoring out the HirId of the UpvarId in another struct.
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So that the frequent clones in `try_get` are cheaper.
Fixes #54274.
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Rollup of 20 pull requests
Successful merges:
- #55136 (Remove short doc where it starts with a codeblock)
- #55711 (Format BtreeMap::range_mut example)
- #55722 (impl_stable_hash_for: support enums and tuple structs with generic parameters)
- #55754 (Avoid converting bytes to UTF-8 strings to print, just pass bytes to stdout/err)
- #55804 (rustdoc: don't inline `pub use some_crate` unless directly asked to)
- #55805 (Move `static_assert!` into librustc_data_structures)
- #55837 (Make PhantomData #[structural_match])
- #55840 (Fix TLS errors when downloading stage0)
- #55843 (add FromIterator<A> to Box<[A]>)
- #55858 (Small fixes on code blocks in rustdoc)
- #55863 (Fix a typo in std::panic)
- #55870 (Fix typos.)
- #55874 (string: Add documentation for `From` impls)
- #55879 (save-analysis: Don't panic for macro-generated use globs)
- #55882 (Reference count `crate_inherent_impls`s return value.)
- #55888 (miri: for uniformity, also move memory_deallocated to AllocationExtra)
- #55889 (global allocators: add a few comments)
- #55896 (Document optimizations enabled by FusedIterator)
- #55905 (Change `Lit::short_name` to `Lit::literal_name`.)
- #55908 (Fix their/there grammar nit)
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r=Mark-Simulacrum
Reference count `crate_inherent_impls`s return value.
The repeated cloning of the result in `inherent_impls` queries has quite
an impact on crates with many inherent trait implementations.
For instance on https://github.com/jmesmon/stm32f429, `cargo check` went from 75 seconds to 38 seconds on my machine.
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Fix typos.
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Move `static_assert!` into librustc_data_structures
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same ABI
This is supposed to fix the performence regression of using MaybeUninit in
https://github.com/rust-lang/rust/pull/54668
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And make them x86_64-only so they can use `==` instead of `<=`.
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This reduces instruction counts on packed_simd by 2%.
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The repeated cloning of the result in `inherent_impls` queries has quite
an impact on crates with many inherent trait implementations.
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Fix ICE in `return_type_impl_trait`
Fix #55796.
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r=matthewjasper
Convert `outlives_components`' return value to a `SmallVec` outparam.
This avoids some allocations, reducing instruction counts by 1% on a
couple of benchmarks.
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Take supertraits into account when calculating associated types
Fixes #24010 and #23856. Applies to trait aliases too.
As a by-product, this PR also makes repeated bindings of the same associated item in the same definition a hard error. This was previously a warning with a note about it becoming a hard error in the future. See #50589 for more info.
I talked about this with @nikomatsakis recently, but only very superficially, so this shouldn't stop anyone from assigning it to themself to review and r+.
N.B. The "WIP" commits represent imperfect attempts to solve the problem just for trait objects, but I've left them in for reference for the sake of whomever is reviewing this.
CC @carllerche @theemathas @durka @mbrubeck
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Improve creation of 3 IndexVecs
- preallocate when the minimal size is known
- use `from_elem_n` instead of `new`+`resize`
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This avoids some allocations, reducing instruction counts by 1% on a
couple of benchmarks.
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refactor: use shorthand fields
refactor: use shorthand for single fields everywhere (excluding tests).
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Implement trait aliases (RFC 1733)
Extends groundwork done in https://github.com/rust-lang/rust/pull/45047, and fully implements https://github.com/rust-lang/rfcs/pull/1733.
CC @durka @nikomatsakis
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