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Optimize ArrayChunks::try_rfold with DoubleEndedIterator::next_chunk_back - #158704
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…back Co-authored-by: Vin <betadelphini.py@gmail.com>
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…=aapoalas Optimize `ArrayChunks::try_rfold` with `DoubleEndedIterator::next_chunk_back` Since `DoubleEndedIterator::next_chunk_back` got merged in rust-lang#156737, we can apply this method to optimize `ArrayChunk::try_rfold`. I added @vinDelphini as a co-author because he was the one who originally made this change in his original PR on introducing [`DoubleEndedIterator::next_chunk_back`](rust-lang#151668).
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Rollup of 18 pull requests Successful merges: - #158692 (Add release notes for 1.96.1) - #134021 (Implement `IntoIterator` for `[&[mut]] Box<[T; N], A>`) - #152860 (Port the `without_debuginfo` test from `backtrace-rs` to the testsuite) - #155932 (MIR Call terminator: evaluate destination place before arguments) - #156777 (Add -Zautodiff_post_passes flag to limit which llvm passes to run after enzyme to make autodiff tests more robust) - #157151 (JSON target specs: remove 'x86-softfloat' compatibility alias) - #157835 (expand free alias types in the auto-trait orphan check) - #158377 (add `-Zforce-intrinsic-fallback` flag) - #158434 (delegation: refactor AST -> HIR lowering) - #158552 (make some tidy errors around python easier to understand) - #158624 (borrowck: Introduce BlameConstraint::to_obligation_cause_from_path()) - #158704 (Optimize `ArrayChunks::try_rfold` with `DoubleEndedIterator::next_chunk_back`) - #158711 (library: Comment on libtest's dicey internal soundness) - #158539 (Move `SizeHint` and `IoHandle` to `core::io`) - #158659 (refactor the normalization in `coerce_shared_info`) - #158689 (resolver: don't use `Finalize` when resolving visibilities during AST expansion) - #158698 (Update TypeVisitable implementation) - #158706 (Tweaks to MIR building scope API)
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…=aapoalas Optimize `ArrayChunks::try_rfold` with `DoubleEndedIterator::next_chunk_back` Since `DoubleEndedIterator::next_chunk_back` got merged in rust-lang#156737, we can apply this method to optimize `ArrayChunk::try_rfold`. I added @vinDelphini as a co-author because he was the one who originally made this change in his original PR on introducing [`DoubleEndedIterator::next_chunk_back`](rust-lang#151668).
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…uwer Rollup of 20 pull requests Successful merges: - #158692 (Add release notes for 1.96.1) - #134021 (Implement `IntoIterator` for `[&[mut]] Box<[T; N], A>`) - #155932 (MIR Call terminator: evaluate destination place before arguments) - #155989 (Update `transmute_copy` to ub_checks and `?Sized`) - #156777 (Add -Zautodiff_post_passes flag to limit which llvm passes to run after enzyme to make autodiff tests more robust) - #157151 (JSON target specs: remove 'x86-softfloat' compatibility alias) - #157835 (expand free alias types in the auto-trait orphan check) - #157857 (Stabilize `#[my_macro] mod foo;` (part of `proc_macro_hygiene`)) - #158377 (add `-Zforce-intrinsic-fallback` flag) - #158434 (delegation: refactor AST -> HIR lowering) - #158552 (make some tidy errors around python easier to understand) - #158624 (borrowck: Introduce BlameConstraint::to_obligation_cause_from_path()) - #158704 (Optimize `ArrayChunks::try_rfold` with `DoubleEndedIterator::next_chunk_back`) - #158711 (library: Comment on libtest's dicey internal soundness) - #158751 (rustdoc: Fix crash when trying to inline foreign item which cannot have attributes) - #158539 (Move `SizeHint` and `IoHandle` to `core::io`) - #158659 (refactor the normalization in `coerce_shared_info`) - #158689 (resolver: don't use `Finalize` when resolving visibilities during AST expansion) - #158698 (Update TypeVisitable implementation) - #158706 (Tweaks to MIR building scope API)
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…uwer Rollup of 19 pull requests Successful merges: - #158692 (Add release notes for 1.96.1) - #134021 (Implement `IntoIterator` for `[&[mut]] Box<[T; N], A>`) - #155932 (MIR Call terminator: evaluate destination place before arguments) - #155989 (Update `transmute_copy` to ub_checks and `?Sized`) - #156777 (Add -Zautodiff_post_passes flag to limit which llvm passes to run after enzyme to make autodiff tests more robust) - #157151 (JSON target specs: remove 'x86-softfloat' compatibility alias) - #157835 (expand free alias types in the auto-trait orphan check) - #157857 (Stabilize `#[my_macro] mod foo;` (part of `proc_macro_hygiene`)) - #158434 (delegation: refactor AST -> HIR lowering) - #158552 (make some tidy errors around python easier to understand) - #158624 (borrowck: Introduce BlameConstraint::to_obligation_cause_from_path()) - #158704 (Optimize `ArrayChunks::try_rfold` with `DoubleEndedIterator::next_chunk_back`) - #158711 (library: Comment on libtest's dicey internal soundness) - #158751 (rustdoc: Fix crash when trying to inline foreign item which cannot have attributes) - #158539 (Move `SizeHint` and `IoHandle` to `core::io`) - #158659 (refactor the normalization in `coerce_shared_info`) - #158689 (resolver: don't use `Finalize` when resolving visibilities during AST expansion) - #158698 (Update TypeVisitable implementation) - #158706 (Tweaks to MIR building scope API)
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…uwer Rollup of 19 pull requests Successful merges: - rust-lang/rust#158692 (Add release notes for 1.96.1) - rust-lang/rust#134021 (Implement `IntoIterator` for `[&[mut]] Box<[T; N], A>`) - rust-lang/rust#155932 (MIR Call terminator: evaluate destination place before arguments) - rust-lang/rust#155989 (Update `transmute_copy` to ub_checks and `?Sized`) - rust-lang/rust#156777 (Add -Zautodiff_post_passes flag to limit which llvm passes to run after enzyme to make autodiff tests more robust) - rust-lang/rust#157151 (JSON target specs: remove 'x86-softfloat' compatibility alias) - rust-lang/rust#157835 (expand free alias types in the auto-trait orphan check) - rust-lang/rust#157857 (Stabilize `#[my_macro] mod foo;` (part of `proc_macro_hygiene`)) - rust-lang/rust#158434 (delegation: refactor AST -> HIR lowering) - rust-lang/rust#158552 (make some tidy errors around python easier to understand) - rust-lang/rust#158624 (borrowck: Introduce BlameConstraint::to_obligation_cause_from_path()) - rust-lang/rust#158704 (Optimize `ArrayChunks::try_rfold` with `DoubleEndedIterator::next_chunk_back`) - rust-lang/rust#158711 (library: Comment on libtest's dicey internal soundness) - rust-lang/rust#158751 (rustdoc: Fix crash when trying to inline foreign item which cannot have attributes) - rust-lang/rust#158539 (Move `SizeHint` and `IoHandle` to `core::io`) - rust-lang/rust#158659 (refactor the normalization in `coerce_shared_info`) - rust-lang/rust#158689 (resolver: don't use `Finalize` when resolving visibilities during AST expansion) - rust-lang/rust#158698 (Update TypeVisitable implementation) - rust-lang/rust#158706 (Tweaks to MIR building scope API)
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Since
DoubleEndedIterator::next_chunk_backgot merged in #156737, we can apply this method to optimizeArrayChunk::try_rfold.I added @vinDelphini as a co-author because he was the one who originally made this change in his original PR on introducing
DoubleEndedIterator::next_chunk_back.