Rollup of 10 pull requests #137130
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Rollup of 10 pull requests #137130
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This should give us some performance improvements as we won't need to do the lookup for the _currently_ 287 targets we have.
Signed-off-by: onur-ozkan <work@onurozkan.dev>
It uses the file metadata on Unix with a fallback for files incorrectly reported as zero-sized. It uses `GetFileSizeEx` on Windows. This reduces the number of syscalls needed for determining the file size of an open file from 3 to 1.
It can only describe the inner workings of the default implementation, other implementations might not be implemented using seeks at all.
…plett Optimize `Seek::stream_len` impl for `File` It uses the file metadata on Unix with a fallback for files incorrectly reported as zero-sized. It uses `GetFileSizeEx` on Windows. This reduces the number of syscalls needed for determining the file size of an open file from 3 to 1.
…-test-cc-detect, r=onur-ozkan add docs and ut for bootstrap util cc-detect This PR adds doc and unit test for bootstrap utils/cc-detect module
…nce, r=Noratrieb Load all builtin targets at once instead of one by one in check-cfg This PR adds a method on `rustc_target::Target` to load all the builtin targets at once, and then uses that method when constructing the `target_*` values in check-cfg instead of load loading each target one by one by their name, which requires a lookup and was more of a hack anyway. This may give us some performance improvements as we won't need to do the lookup for the _currently_ 287 targets we have.
bootstrap: add more tracing to compiler/std/llvm flows
- Add more tracing to compiler/std/llvm flows.
- Two drive-by nits:
1. Take `TargetSelection` by-value for `builder.is_builder_target()`. Noticed while adding tracing; follow-up to rust-lang#136767.
2. Coalesce enzyme build logic into one branch.
- Document `COMPILER{,_FOR}` tracing targets for rust-lang#96176.
- No functional changes.
### Testing
You can play with the tracing locally with:
```
$ BOOTSTRAP_TRACING=bootstrap=debug ./x build library
$ BOOTSTRAP_TRACING=bootstrap=trace ./x build library
$ BOOTSTRAP_TRACING=bootstrap=trace,COMPILER=trace,COMPILER_FOR=trace ./x build library
```
### Previews
```
$ BOOTSTRAP_TRACING=bootstrap=debug ./x build library
```
```
$ BOOTSTRAP_TRACING=bootstrap=trace,COMPILER=trace,COMPILER_FOR=trace ./x build library
```
r? `@onur-ozkan` (or reroll)
…li-obk Rework `name_regions` to not rely on reverse scc graph for non-member-constrain usages Fixes rust-lang#137015 Splits the `name_regions` into two versions: One meant for member region constraint error reporting (which I've renamed to `name_regions_for_member_constraint`), and one meant *just* to replace region vids with an external region. Use the latter in the usage sites I added in rust-lang#136559, since the regions returned by `name_regions_for_member_constraint` are also not *totally* accurate (which is fine for how they're used for member region constraint error reporting -- they're intentionally returning overapproximated universal regions so that we have something to name in `+ use<'a>` suggestions, because opaques can only capture universal regions and since member region constraints don't insert any edges into the region graph, the error region is probably gonna be shorter than a universal region) and because that function requires the reverse scc graph to have been computed which isn't done for our usages in rust-lang#136559.
…ct, r=oli-obk Don't project into `NonNull` when dropping a `Box` Another step towards banning these projections. Tracking Issue rust-lang#133652
Add an example for `std::error::Error` There is currently no example provided for `std::error::Error` so let's fix that.
…oratrieb Fix test that relies on error language We shouldn't care about the OS error message text in this test.
…ouxu
fix broken `x {doc, build} core`
Fixes rust-lang#137115
…illaumeGomez Enable `relative-path-include-bytes-132203` rustdoc-ui test on Windows The problem with the error message on Windows is: - The path separators are different - The OS error message string is different Normalizing those two things makes the test pass on Windows.
rustbot
added
A-rustc-dev-guide
rustbot
added
O-windows
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@bors r+ p=5 rollup=never |
bors
added
S-waiting-on-bors
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overlaps with #137124 |
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Successful merges:
Seek::stream_lenimpl forFile#125087 (OptimizeSeek::stream_lenimpl forFile)name_regionsto not rely on reverse scc graph for non-member-constrain usages #137102 (Reworkname_regionsto not rely on reverse scc graph for non-member-constrain usages)NonNullwhen dropping aBox#137112 (Don't project intoNonNullwhen dropping aBox)std::error::Error#137114 (Add an example forstd::error::Error)x {doc, build} core#137119 (fix brokenx {doc, build} core)relative-path-include-bytes-132203rustdoc-ui test on Windows #137120 (Enablerelative-path-include-bytes-132203rustdoc-ui test on Windows)r? @ghost
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