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Rollup of 9 pull requests #92844
Rollup of 9 pull requests #92844
Commits on Oct 22, 2021
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Commits on Oct 27, 2021
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Commits on Dec 14, 2021
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Commits on Dec 16, 2021
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Prove obligations to termination instead of ignoring ambiguities.
Sometimes an obligation depends on a later one, so we can't just process them in order like it was done previously. This is not a problem in our test suite, but there may be ICEs out there and it will definitely be a problem with lazy TAIT.
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Commits on Dec 17, 2021
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Commits on Dec 20, 2021
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[code coverage] Fix missing dead code in modules that are never called
The issue here is that the logic used to determine which CGU to put the dead function stubs in doesn't handle cases where a module is never assigned to a CGU. The partitioning logic also caused issues in rust-lang#85461 where inline functions were duplicated into multiple CGUs resulting in duplicate symbols. This commit fixes the issue by removing the complex logic used to assign dead code stubs to CGUs and replaces it with a much simplier model: we pick one CGU to hold all the dead code stubs. We pick a CGU which has exported items which increases the likelihood the linker won't throw away our dead functions and we pick the smallest to minimize the impact on compilation times for crates with very large CGUs. Fixes rust-lang#86177 Fixes rust-lang#85718 Fixes rust-lang#79622
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Commits on Dec 27, 2021
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Commits on Dec 28, 2021
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Commits on Jan 7, 2022
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Make rlib metadata strip works with MIPSr6 architecture
Because MIPSr6 has many differences with previous MIPSr2 arch, the previous rlib metadata stripping code in `rustc_codegen_ssa` is only for MIPSr2/r3/r5 (which share the same elf e_flags). This commit fixed this problem. It makes `rustc_codegen_ssa` happy when compiling rustc for MIPSr6 target or hosts.
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Commits on Jan 8, 2022
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Commits on Jan 9, 2022
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rustc_metadata: Stop passing
CrateMetadataRef
by referenceIt's already a (fat) reference. Double referencing it creates lifetime issues for its methods that want to return iterators.
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Commits on Jan 10, 2022
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Ignore
unused_mod.rs
file in code coverage resultsAs discussed in rust-lang#92142 (comment), tests that contain multiple files order their results differently on Windows and Linux which the test runner currently can't handle correctly. For now, ignore the "bin" part of the test and only include the unused library dependency which is what the test really cares about anyway.
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Commits on Jan 11, 2022
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Commits on Jan 12, 2022
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Commits on Jan 13, 2022
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Rollup merge of rust-lang#90001 - Fearyncess:master, r=alexcrichton
Make rlib metadata strip works with MIPSr6 architecture Because MIPSr6 has many differences with previous MIPSr2 arch, the previous rlib metadata stripping code in `rustc_codegen_ssa` is only for MIPSr2/r3/r5 (which share the same elf e_flags). This commit fixed this problem. It makes `rustc_codegen_ssa` happy when compiling rustc for MIPSr6 target or hosts. e_flags REF: https://github.com/llvm/llvm-project/blob/e356027016c6365b3d8924f54c33e2c63d931492/llvm/include/llvm/BinaryFormat/ELF.h#L562
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Rollup merge of rust-lang#91687 - euclio:tuple-variant-field-section,…
… r=GuillaumeGomez rustdoc: do not emit tuple variant fields if none are documented Fixes rust-lang#90824. Before: ![2021-12-15T22:26:41](https://user-images.githubusercontent.com/1372438/146302871-4d265433-b9aa-4e53-adfb-e7cb92107180.png) After: ![2021-12-15T22:27:01](https://user-images.githubusercontent.com/1372438/146302872-e39eda3d-2fb2-4fb9-aae7-2008e4e1b4dd.png)
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Rollup merge of rust-lang#91938 - yaahc:error-reporter, r=m-ou-se
Add `std::error::Report` type This is a continuation of rust-lang#90174, split into a separate PR since I cannot push to ```````@seanchen1991``````` 's fork
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Rollup merge of rust-lang#92006 - oli-obk:welcome_opaque_types_into_t…
…he_fold, r=nikomatsakis Welcome opaque types into the fold r? ```@nikomatsakis``` because idk who else to bug on the type_op changes The commits have explanations in them. The TLDR is that * 5c46002 stops the "recurse and replace" scheme that replaces opaque types with their canonical inference var by just doing that ahead of time * bdeeb07 does not affect anything on master afaict, but since opaque types generate obligations when instantiated, and lazy TAIT instantiates opaque types *everywhere*, we need to properly handle obligations here instead of just hoping no problematic obligations ever come up.
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Rollup merge of rust-lang#92142 - wesleywiser:fix_codecoverage_partit…
…ioning, r=tmandry [code coverage] Fix missing dead code in modules that are never called The issue here is that the logic used to determine which CGU to put the dead function stubs in doesn't handle cases where a module is never assigned to a CGU (which is what happens when all of the code in the module is dead). The partitioning logic also caused issues in rust-lang#85461 where inline functions were duplicated into multiple CGUs resulting in duplicate symbols. This commit fixes the issue by removing the complex logic used to assign dead code stubs to CGUs and replaces it with a much simpler model: we pick one CGU to hold all the dead code stubs. We pick a CGU which has exported items which increases the likelihood the linker won't throw away our dead functions and we pick the smallest to minimize the impact on compilation times for crates with very large CGUs. Fixes rust-lang#91661 Fixes rust-lang#86177 Fixes rust-lang#85718 Fixes rust-lang#79622 r? ```@tmandry``` cc ```@richkadel``` This PR is not urgent so please don't let it interrupt your holidays! 🎄 🎁
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Rollup merge of rust-lang#92277 - petrochenkov:cmrval2, r=jackh726
rustc_metadata: Stop passing `CrateMetadataRef` by reference (step 1) It's already a (fat) reference. Double referencing it creates lifetime issues for its methods that want to return iterators. --- Extracted from rust-lang#92245 for a perf run. The PR changes a lot of symbol names due to function signature changes, so it's hard to do differential profiling, let's spend some machine time instead.
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Rollup merge of rust-lang#92334 - dtolnay:rustdocmatcher, r=camelid,G…
…uillaumeGomez rustdoc: Preserve rendering of macro_rules matchers when possible Fixes rust-lang#92331. This approach restores the behavior prior to rust-lang#86282 **if** the matcher token held by the compiler **and** the matcher token found in the source code are identical TokenTrees. Thus rust-lang#86208 remains fixed, but without regressing formatting for the vast majority of macros which are not macro-generated.
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Rollup merge of rust-lang#92807 - ehuss:update-cargo, r=ehuss
Update cargo 6 commits in 358e79fe56fe374649275ca7aebaafd57ade0e8d..06b9d31743210b788b130c8a484c2838afa6fc27 2022-01-04 18:39:45 +0000 to 2022-01-11 23:47:29 +0000 - Port cargo to clap3 (rust-lang/cargo#10265) - feat: support rustflags per profile (rust-lang/cargo#10217) - Make bors ignore the PR template so it doesn't end up in merge messages (rust-lang/cargo#10267) - Be resilient to most IO error and filesystem loop while walking dirs (rust-lang/cargo#10214) - Remove the option to disable pipelining (rust-lang/cargo#10258) - Always ask rustc for messages about artifacts, and always process them (rust-lang/cargo#10255)
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Rollup merge of rust-lang#92832 - ehuss:1.58-releases, r=Mark-Simulacrum
Update RELEASES for 1.58. From what I can tell: * `NonZero{unsigned}::is_power_of_two` was stabilized in 1.59: rust-lang#91301 * `MaybeUninit` const was added in 1.59: rust-lang#90896
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