Rollup of 12 pull requests #94161
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Rollup of 12 pull requests #94161
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RustHermit and HermitCore is able to run on aarch64 and x86_64. In the future these operating systems will also support RISC-V. Consequently, the dependency to a specific target should be removed. Building hermit-abi fails if the architecture isn't supported.
No functional changes intended. This updates the test case to use llvm-nm instead of the system nm. This fixes an instance over at the experimental build of rustc with HEAD LLVM: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/8380#ef6f41b5-8595-49a6-be37-0eff80e0ccb5 It is related to rust-lang#94001. The issue is that this test uses the system nm, which may not be recent enough to understand the update to uwtable. This replaces the test to use the llvm-nm that should be recent enough (consistent with the LLVM sources we use to build rustc).
Co-authored-by: Jubilee Young <workingjubilee@gmail.com>
The optimization was proposed by @falk-hueffner in https://rust-lang.zulipchat.com/#narrow/stream/219381-t-libs/topic/Micro-optimizing.20char.3A.3Afrom_u32/near/272146171, and I simplified it a bit and added an explanation of why the optimization is correct.
The `macro_rules!` implementation was becomng excessively complicated, and difficult to modify. The new proc macro implementation should make it much easier to add new features (e.g. skipping certain `#[derive]`s)
…ature, r=Amanieu Stabilise `aarch64_target_feature` Draft stabilisation PR - rust-lang#90620
…=scottmcm Stabilize pin_static_ref. FCP finished here: rust-lang#78186 (comment) Closes rust-lang#78186
…iplett core: Implement ASCII trim functions on byte slices Hi ````@rust-lang/libs!```` This is a feature that I wished for when implementing serial protocols with microcontrollers. Often these protocols may contain leading or trailing whitespace, which needs to be removed. Because oftentimes drivers will operate on the byte level, decoding to unicode and checking for unicode whitespace is unnecessary overhead. This PR adds three new methods to byte slices: - `trim_ascii_start` - `trim_ascii_end` - `trim_ascii` I did not find any pre-existing discussions about this, which surprises me a bit. Maybe I'm missing something, and this functionality is already possible through other means? There's rust-lang/rfcs#2547 ("Trim methods on slices"), but that has a different purpose. As per the [std dev guide](https://std-dev-guide.rust-lang.org/feature-lifecycle/new-unstable-features.html), this is a proposed implementation without any issue / RFC. If this is the wrong process, please let me know. However, I thought discussing code is easier than discussing a mere idea, and hacking on the stdlib was fun. Tracking issue: rust-lang#94035
Convert `newtype_index` to a proc macro The `macro_rules!` implementation was becomng excessively complicated, and difficult to modify. The new proc macro implementation should make it much easier to add new features (e.g. skipping certain `#[derive]`s)
…acro, r=notriddle rustdoc: Avoid duplicating macros in sidebar Fixes rust-lang#93912. cc ```@jsha``` (for the GUI test) r? ```@camelid```
removing architecture requirements for RustyHermit RustHermit and HermitCore is able to run on aarch64 and x86_64. In the future these operating systems will also support RISC-V. Consequently, the dependency to a specific target should be removed. The build process of `hermit-abi` fails if the architecture isn't supported.
…=Mark-Simulacrum adapt static-nobundle test to use llvm-nm No functional changes intended. This updates the test case to use llvm-nm instead of the system nm. This fixes an instance over at the experimental build of rustc with HEAD LLVM: https://buildkite.com/llvm-project/rust-llvm-integrate-prototype/builds/8380#ef6f41b5-8595-49a6-be37-0eff80e0ccb5 It is related to rust-lang#94001. The issue is that this test uses the system nm, which may not be recent enough to understand the update to uwtable. This replaces the test to use the llvm-nm that should be recent enough (consistent with the LLVM sources we use to build rustc).
…ed-value, r=oli-obk Fix rustdoc const computed value Fixes rust-lang#85088. It looks like this now (instead of hexadecimal):  r? `@oli-obk`
…cjgillot Add module-level docs for `rustc_middle::query`
Optimize char_try_from_u32 The optimization was proposed by ```@falk-hueffner``` in https://rust-lang.zulipchat.com/#narrow/stream/219381-t-libs/topic/Micro-optimizing.20char.3A.3Afrom_u32/near/272146171, and I simplified it a bit and added an explanation of why the optimization is correct. The generated code is 2 instructions shorter and uses 2 registers instead of 4 on x86.
document rustc_middle::mir::Field cc rust-lang#94025
…otriddle Fix miniz_oxide types showing up in std docs Fixes rust-lang#90526. Thanks to ```@camelid,``` I rediscovered `doc(masked)`, allowing us to prevent `miniz_oxide` type to show up in std docs. r? ```@notriddle```
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Successful merges:
aarch64_target_feature#90621 (Stabiliseaarch64_target_feature)newtype_indexto a proc macro #93878 (Convertnewtype_indexto a proc macro)rustc_middle::query#94097 (Add module-level docs forrustc_middle::query)Failed merges:
r? @ghost
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