Rollup of 7 pull requests #108886
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Rollup of 7 pull requests #108886
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This approach didn't seem to work well.
+ Add some information to the README.md
PR 107844 made DropAndReplace unused, let's remove it completely from the codebase.
…, r=pietroalbini use problem matchers for tidy CI
Add `--no-undefined-version` link flag and fix associated breakage LLVM upstream sets `--no-undefined-version` by default in lld: https://reviews.llvm.org/D135402. Due to a bug in how version scripts are generated, this breaks the `dylib` output type for most crates. See rust-lang#105967 (comment) for details. This PR adds the flag to gcc flavor linkers in anticipation of this LLVM change rolling in, and patches `rustc` to not attempt to export `__rust_*` allocator symbols when they weren't generated. Fixes rust-lang#105967
Place size limits on query keys and values This just prevents these from growing accidentally too large. I'm not sure if there's an easy way to also print the actual size too.
Retry `pred_known_to_hold_modulo_regions` with fulfillment if ambiguous Fixes rust-lang#108721 The problem here is that when we're checking `is_sized_raw` during codegen on some type that has a lot of opaques in it, something emits several nested obligations that are individually ambiguous, but when processed together in a loop then apply modulo regions. Since the `evaluate_predicates_recursively` inner loop doesn't process predicates until they stop changing, we return `EvaluatedToAmbig`, which makes the sized check return false incorrectly. See: https://github.com/rust-lang/rust/blob/f15f0ea73972786e426732c5b92ba9a904b866c4/compiler/rustc_trait_selection/src/traits/select/mod.rs#L596-L606 ... Compared to the analogous loop in the new solver: https://github.com/rust-lang/rust/blob/f15f0ea73972786e426732c5b92ba9a904b866c4/compiler/rustc_trait_selection/src/solve/mod.rs#L481-L512 To fix this, if we get ambiguous during `pred_known_to_hold_modulo_regions`, just retry the obligation in a fulfillment context. -- Unfortunately... I don't have a test for this. I've only tested this locally. Pending minimization :/ r? types
…t-release-notes-for-1.41.1-apple32, r=Mark-Simulacrum 1.41.1 supported 32-bit Apple targets This question was raised by rust-lang#108556.
StableMIR: Proof-of-concept implementation + test This PR is part of the [project Stable MIR](https://github.com/rust-lang/project-stable-mir). The PR deletes old re-exports from rustc_smir and introduces a proof-of-concept implementation for APIs to retrieve crate information. The implementation follows the [design described here](https://hackmd.io/XhnYHKKuR6-LChhobvlT-g?view), but instead of using separate crates for the implementation, it uses separate modules inside `rustc_smir`. The API introduced at this point should be seen just as an example on how we are planning to structure the communication between tools and the compiler. I have not explored yet what should be the right granularity, the best starting point for users, neither the best way to implement it. r? `@oli-obk`
…asko Remove DropAndReplace terminator rust-lang#107844 made DropAndReplace unused, let's remove it completely from the codebase.
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⌛ Testing commit 645bed4 with merge 68211bac5ddc53b1a70677c8e1d0415ddbac9955... |
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💔 Test failed - checks-actions |
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Successful merges:
--no-undefined-versionlink flag and fix associated breakage #108017 (Add--no-undefined-versionlink flag and fix associated breakage)pred_known_to_hold_modulo_regionswith fulfillment if ambiguous #108754 (Retrypred_known_to_hold_modulo_regionswith fulfillment if ambiguous)Failed merges:
r? @ghost
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