Rollup of 10 pull requests #64647
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Rollup of 10 pull requests #64647
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The Windows dist builders are the slowest builders right now, and the distribution phase of them is enormously slow clocking in at around 20 minutes to build all the related installers. This commit starts to optimize these by turning down the compression level in the `exe` installers. These aren't super heavily used so there's no great need for them to be so ultra-compressed, so let's dial back the compression parameters to get closer to the rest of our xz archives. This brings the installer in line with the gz tarball installer locally, and also brings the compression settings on par with the rest of our xz installers.
This is the same as rust-lang#64615 except applied to our MSI installers. The same fix is applied effectively bringing these installers in line with the gz tarball installers, which are about 3x faster to produce locally and likely much faster to produce on CI.
* Pass `/Q` to `iscc` on Windows to supress the thousands of lines of output about compressing documentation. * Print out what's happening before long steps * Use `timeit` to print out timing information for long-running installer assemblies.
This would follow the same coding style as all the other match arms in this file.
It should be fine for Rust ABIs to involve any Rust type.
Add `cmp::{min_by, min_by_key, max_by, max_by_key}`
This adds the following functions to `core::cmp`:
- `min_by`
- `min_by_key`
- `max_by`
- `max_by_key`
`min_by` and `max_by` are somewhat trivial to implement, but not entirely because `min_by` returns the first value in case the two are equal (and `max_by` the second). `min` and `max` can be implemented in terms of `min_by` and `max_by`, but not as easily the other way around.
To give an example of why I think these functions could be useful: the `Iterator::{min_by, min_by_key, max_by, max_by_key}` methods all currently hard-code the behavior mentioned above which is an ever so small duplication of logic. If we delegate them to `cmp::{min_by, max_by}` methods instead, we get the correct behavior for free. (edit: this is now included in the PR)
I added `min_by_key` / `max_by_key` for consistency's sake but I wouldn't mind removing them. I don't have a particular use case in mind for them, and `min_by` / `max_by` seem to be more useful.
Tracking issue: rust-lang#64460
Document From trait for LhsExpr in parser Add doc for From trait for converting P<Expr> and Option<ThinVec<Attribute>> to LhsExpr As part of issue rust-lang#51430 (cc @skade). Both of these should just be moving an address and setting a discriminant in an enum. The main thing I'm not sure about is whether it's worth documenting the branch in the From<Option<ThinVec<Attribute>>. As far as I can tell it doesn't seem like it is optimized away (although if the discriminant happened to work out you could just copy the pointer and the discriminant which might be cheaper, but that's not guaranteed). So it seems like if it's being called often, it's doubling the number of possible branch mispredictions on this Option, which could be a significant cost. Let me know if there's anything that needs fixing and I'll get to it as soon as possible!
factor out pluralisation remains after rust-lang#64280 there are two case that doesn't not match the original macro pattern at [here](https://github.com/rust-lang/rust/blob/master/src/librustc_lint/unused.rs#L146) and [here](https://github.com/rust-lang/rust/blob/master/src/libsyntax/parse/diagnostics.rs#L539) as the provided param is already a bool or the check condition is not `x != 1`, so I change the macro accept a boolean expr instead of number to fit all the cases. @Centril please review Fixes rust-lang#64238.
…e-tests, r=nikomatsakis Bugfix/rfc 2451 rerebalance tests r? @nikomatsakis Fixes rust-lang#64412 Depends/Contains on rust-lang#64414 cc rust-lang#55437 and rust-lang#63599
…mulacrum rustbuild: Turn down compression on exe installers The Windows dist builders are the slowest builders right now, and the distribution phase of them is enormously slow clocking in at around 20 minutes to build all the related installers. This commit starts to optimize these by turning down the compression level in the `exe` installers. These aren't super heavily used so there's no great need for them to be so ultra-compressed, so let's dial back the compression parameters to get closer to the rest of our xz archives. This brings the installer in line with the gz tarball installer locally, and also brings the compression settings on par with the rest of our xz installers.
…mulacrum rustbuild: Turn down compression on msi installers This is the same as rust-lang#64615 except applied to our MSI installers. The same fix is applied effectively bringing these installers in line with the gz tarball installers, which are about 3x faster to produce locally and likely much faster to produce on CI.
…=Mark-Simulacrum rustbuild: Improve output of `dist` step * Pass `/Q` to `iscc` on Windows to supress the thousands of lines of output about compressing documentation. * Print out what's happening before long steps * Use `timeit` to print out timing information for long-running installer assemblies. * Try to scope output of `Dist ...` to not also encompass actual build steps
Add Compatibility Notes to RELEASES.md for 1.38.0 ### [Rendered](https://github.com/XAMPPRocky/rust/blob/relnotes/RELEASES.md) r? @Mark-Simulacrum
remove the extra comma after the match arm This would follow the same coding style as all the other match arms in this file.
Exempt extern "Rust" from improper_ctypes It should be fine for Rust ABIs to involve any Rust type. Fixes rust-lang#64593.
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@bors r+ p=10 |
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📌 Commit 4cef643 has been approved by |
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⌛ Testing commit 4cef643 with merge d7db0041e44fc364ea0baea22e12466694b7c850... |
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💔 Test failed - checks-azure |
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Successful merges:
cmp::{min_by, min_by_key, max_by, max_by_key}#64047 (Addcmp::{min_by, min_by_key, max_by, max_by_key})diststep #64618 (rustbuild: Improve output ofdiststep)Failed merges:
r? @ghost