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Rollup of 18 pull requests - #62352
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That's more consistent with InterpResult and InterpError.
Normalization can leave some type-vars unresolved in its return type. Make sure to resolve them so we have an infcx-independent type that can be used with `needs_drop`. Fixesrust-lang#61402.
This also adds assertions that the operations work as expected.
Unreserve `macro_rules` as a macro name
No behavior change, just flatter and simpler code
… terms of DoubleEndedIterator::next_back for types in liballoc and libcore. Provided that the iterator has finite length and does not trigger user-provided code, this is safe. What follows is a full list of the DoubleEndedIterators in liballoc/libcore and whether this optimization is safe, and if not, why not. src/liballoc/boxed.rs Box: Pass through to avoid defeating optimization of the underlying DoubleIterator implementation. This has no correctness impact. src/liballoc/collections/binary_heap.rs Iter: Pass through to avoid defeating optimizations on slice::Iter IntoIter: Not safe, changes Drop order Drain: Not safe, changes Drop order src/liballoc/collections/btree/map.rs Iter: Safe to call next_back, invokes no user defined code. IterMut: ditto IntoIter: Not safe, changes Drop order Keys: Safe to call next_back, invokes no user defined code. Values: ditto ValuesMut: ditto Range: ditto RangeMut: ditto src/liballoc/collections/btree/set.rs Iter: Safe to call next_back, invokes no user defined code. IntoIter: Not safe, changes Drop order Range: Safe to call next_back, invokes no user defined code. src/liballoc/collections/linked_list.rs Iter: Safe to call next_back, invokes no user defined code. IterMut: ditto IntoIter: Not safe, changes Drop order src/liballoc/collections/vec_deque.rs Iter: Safe to call next_back, invokes no user defined code. IterMut: ditto IntoIter: Not safe, changes Drop order Drain: ditto src/liballoc/string.rs Drain: Safe because return type is a primitive (char) src/liballoc/vec.rs IntoIter: Not safe, changes Drop order Drain: ditto Splice: ditto src/libcore/ascii.rs EscapeDefault: Safe because return type is a primitive (u8) src/libcore/iter/adapters/chain.rs Chain: Not safe, invokes user defined code (Iterator impl) src/libcore/iter/adapters/flatten.rs FlatMap: Not safe, invokes user defined code (Iterator impl) Flatten: ditto FlattenCompat: ditto src/libcore/iter/adapters/mod.rs Rev: Not safe, invokes user defined code (Iterator impl) Copied: ditto Cloned: Not safe, invokes user defined code (Iterator impl and T::clone) Map: Not safe, invokes user defined code (Iterator impl + closure) Filter: ditto FilterMap: ditto Enumerate: Not safe, invokes user defined code (Iterator impl) Skip: ditto Fuse: ditto Inspect: ditto src/libcore/iter/adapters/zip.rs Zip: Not safe, invokes user defined code (Iterator impl) src/libcore/iter/range.rs ops::Range: Not safe, changes Drop order, but ALREADY HAS SPECIALIZATION ops::RangeInclusive: ditto src/libcore/iter/sources.rs Repeat: Not safe, calling last should iloop. Empty: No point, iterator is at most one item long. Once: ditto OnceWith: ditto src/libcore/option.rs Item: No point, iterator is at most one item long. Iter: ditto IterMut: ditto IntoIter: ditto src/libcore/result.rs Iter: No point, iterator is at most one item long IterMut: ditto IntoIter: ditto src/libcore/slice/mod.rs Split: Not safe, invokes user defined closure SplitMut: ditto RSplit: ditto RSplitMut: ditto Windows: Safe, already has specialization Chunks: ditto ChunksMut: ditto ChunksExact: ditto ChunksExactMut: ditto RChunks: ditto RChunksMut: ditto RChunksExact: ditto RChunksExactMut: ditto src/libcore/str/mod.rs Chars: Safe, already has specialization CharIndices: ditto Bytes: ditto Lines: Safe to call next_back, invokes no user defined code. LinesAny: Deprecated Everything that is generic over P: Pattern: Not safe because Pattern invokes user defined code. SplitWhitespace: Safe to call next_back, invokes no user defined code. SplitAsciiWhitespace: ditto
When llvm-libunwind feature is enabled, we need to use link attribute on extern "C" blocks to make sure that symbols provided by LLVM's libunwind that's built as part of Rust's libunwind crate are re-exported. This addresses issue rust-lang#62088.
Moved to its own PR
This pulls in a commit which uses parallel xz encoding which should hopefully help shave some time off the dist builders which spend an inordinate amount of time compressing this data.
…eddyb Remove needless lifetimes (rustc)
…, r=alexcrichton Remove needless lifetimes (std) Split from rust-lang#62039
…ark-Simulacrum Update the `rust-installer` submodule This pulls in a commit which uses parallel xz encoding which should hopefully help shave some time off the dist builders which spend an inordinate amount of time compressing this data.
rename InterpretCx -> InterpCx That's more consistent with InterpResult and InterpError. r? @oli-obk
wfcheck: resolve the type-vars in `AdtField` types Normalization can leave some type-vars unresolved in its return type. Make sure to resolve them so we have an infcx-independent type that can be used with `needs_drop`. Fixesrust-lang#61402. Closesrust-lang#62212 - this PR fixes the root cause.
…place-default, r=dtolnay,Centril Use mem::take instead of mem::replace with default
…mple, r=dtolnay Update mem::replace example to not be identical to mem::take This also adds assertions that the operations work as expected.
syntax: Unsupport `foo! bar { ... }` macros in the parser
Their support in expansion was removed in rust-lang#61606.
Also un-reserve `macro_rules` as a macro name, there's no ambiguity between `macro_rules` definitions and macro calls (it also wasn't reserved correctly).
cc rust-lang/wg-grammar#51Clean up inherent_impls Split out from rust-lang#61923. r? @eddyb
… r=tmandry Use link attributes on extern "C" blocks with llvm-libuwind When llvm-libunwind feature is enabled, we need to use link attribute on extern "C" blocks to make sure that symbols provided by LLVM's libunwind that's built as part of Rust's libunwind crate are re-exported. This addresses issue rust-lang#62088.
miri realloc: do not require giving old size+align
refactor check_for_substitution No behavior change, just flatter and simpler code. r? @petrochenkov
When possible without changing semantics, implement Iterator::last in terms of DoubleEndedIterator::next_back for types in liballoc and libcore. Provided that the iterator has finite length and does not trigger user-provided code, this is safe. What follows is a full list of the DoubleEndedIterators in liballoc/libcore and whether this optimization is safe, and if not, why not. src/liballoc/boxed.rs Box: Pass through to avoid defeating optimization of the underlying DoubleIterator implementation. This has no correctness impact. src/liballoc/collections/binary_heap.rs Iter: Pass through to avoid defeating optimizations on slice::Iter IntoIter: Not safe, changes Drop order Drain: Not safe, changes Drop order src/liballoc/collections/btree/map.rs Iter: Safe to call next_back, invokes no user defined code. IterMut: ditto IntoIter: Not safe, changes Drop order Keys: Safe to call next_back, invokes no user defined code. Values: ditto ValuesMut: ditto Range: ditto RangeMut: ditto src/liballoc/collections/btree/set.rs Iter: Safe to call next_back, invokes no user defined code. IntoIter: Not safe, changes Drop order Range: Safe to call next_back, invokes no user defined code. src/liballoc/collections/linked_list.rs Iter: Safe to call next_back, invokes no user defined code. IterMut: ditto IntoIter: Not safe, changes Drop order src/liballoc/collections/vec_deque.rs Iter: Safe to call next_back, invokes no user defined code. IterMut: ditto IntoIter: Not safe, changes Drop order Drain: ditto src/liballoc/string.rs Drain: Safe because return type is a primitive (char) src/liballoc/vec.rs IntoIter: Not safe, changes Drop order Drain: ditto Splice: ditto src/libcore/ascii.rs EscapeDefault: Safe because return type is a primitive (u8) src/libcore/iter/adapters/chain.rs Chain: Not safe, invokes user defined code (Iterator impl) src/libcore/iter/adapters/flatten.rs FlatMap: Not safe, invokes user defined code (Iterator impl) Flatten: ditto FlattenCompat: ditto src/libcore/iter/adapters/mod.rs Rev: Not safe, invokes user defined code (Iterator impl) Copied: ditto Cloned: Not safe, invokes user defined code (Iterator impl and T::clone) Map: Not safe, invokes user defined code (Iterator impl + closure) Filter: ditto FilterMap: ditto Enumerate: Not safe, invokes user defined code (Iterator impl) Skip: ditto Fuse: ditto Inspect: ditto src/libcore/iter/adapters/zip.rs Zip: Not safe, invokes user defined code (Iterator impl) src/libcore/iter/range.rs ops::Range: Not safe, changes Drop order, but ALREADY HAS SPECIALIZATION ops::RangeInclusive: ditto src/libcore/iter/sources.rs Repeat: Not safe, calling last should iloop. Empty: No point, iterator is at most one item long. Once: ditto OnceWith: ditto src/libcore/option.rs Item: No point, iterator is at most one item long. Iter: ditto IterMut: ditto IntoIter: ditto src/libcore/result.rs Iter: No point, iterator is at most one item long IterMut: ditto IntoIter: ditto src/libcore/slice/mod.rs Split: Not safe, invokes user defined closure SplitMut: ditto RSplit: ditto RSplitMut: ditto Windows: Safe, already has specialization Chunks: ditto ChunksMut: ditto ChunksExact: ditto ChunksExactMut: ditto RChunks: ditto RChunksMut: ditto RChunksExact: ditto RChunksExactMut: ditto src/libcore/str/mod.rs Chars: Safe, already has specialization CharIndices: ditto Bytes: ditto Lines: Safe to call next_back, invokes no user defined code. LinesAny: Deprecated Everything that is generic over P: Pattern: Not safe because Pattern invokes user defined code. SplitWhitespace: Safe to call next_back, invokes no user defined code. SplitAsciiWhitespace: ditto This is attempt 2 of rust-lang#60130. r? @sfackler
… r=Centril Migrate `compile-pass` annotations to `build-pass` This is a part of rust-lang#62277. As a first step, the `compile-pass` tests are migrated to `build-pass`. r? @cramertj cc @Centril
…t, r=alexcrichton Fix bucket in CPU usage script r? @alexcrichton
simplify Option::get_or_insert I am pretty sure that the optimized result will be the same, and it's one `unsafe` less in the stdlib!
enable a few more tests in Miri and update the comment for others
remove bogus example from drop_in_place Fixesrust-lang#62313
Centril
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Jul 3, 2019
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@bors r+ p=18 rollup=never |
bors
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Jul 3, 2019
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📌 Commit 2eebc8c has been approved by |
bors
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Jul 3, 2019
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⌛ Testing commit 2eebc8c with merge 66ab899f45e4c01032ee5016746f2c59248ad35f... |
bors
commented
Jul 3, 2019
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💔 Test failed - checks-azure |
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Successful merges:
rust-installersubmodule #62153 (Update therust-installersubmodule)AdtFieldtypes #62240 (wfcheck: resolve the type-vars inAdtFieldtypes)foo! bar { ... }macros in the parser #62258 (syntax: Unsupportfoo! bar { ... }macros in the parser)compile-passannotations tobuild-pass#62317 (Migratecompile-passannotations tobuild-pass)Failed merges:
r? @ghost