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Build musl dist artifacts with debuginfo enabled
Since our musl targets link to a version of musl we build and bundle
with the targets, if users need to debug into musl or generate
backtraces which contain parts of the musl library, they will be unable
to do so unless we enable and ship the debug info.
This patch changes our dist builds so they enabled debug info when
building musl. This patch also includes a fix for CFI detection in
musl's `configure` script which has been [posted upstream](https://www.openwall.com/lists/musl/2021/10/21/2).
The net effect of this is that we now ship debug info for musl in those
targets. This adds ~90kb to those artifacts but running `strip` on
binaries produced removes all of that. For a "hello world" Rust binary
on x86_64, the numbers are:
| | debug | release | release + strip |
| - | - | - | - |
| without musl debuginfo | 507kb | 495kb | 410kb |
| with musl debuginfo | 595kb | 584kb | 410kb |
Once stripped, the final binaries are the same size (down to the byte).
Fixes #90103
r? `@Mark-Simulacrum`
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Before, you could have the confusing situation where the command to
generate a component had no relation to the name of that component (e.g.
the `rustc` component was generated with `src/librustc`). This changes
the name to make them match up.
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Since our musl targets link to a version of musl we build and bundle
with the targets, if users need to debug into musl or generate
backtraces which contain parts of the musl library, they will be unable
to do so unless we enable and ship the debug info.
This patch changes our dist builds so they enabled debug info when
building musl. This patch also includes a fix for CFI detection in
musl's `configure` script which has been posted upstream[1].
The net effect of this is that we now ship debug info for musl in those
targets. This adds ~90kb to those artifacts but running `strip` on
binaries produced removes all of that. For a "hello world" Rust binary
on x86_64, the numbers are:
| | debug | release | release + strip |
| - | - | - | - |
| without musl debuginfo | 507kb | 495kb | 410kb |
| with musl debuginfo | 595kb | 584kb | 410kb |
Once stripped, the final binaries are the same size (down to the byte).
[1]: https://www.openwall.com/lists/musl/2021/10/21/2
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CI: Enable overflow checks for test (non-dist) builds
They stay disabled for Apple builds though, which take the most time already due to running on slow hw.
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Update the minimum external LLVM to 12
With this change, we'll have stable support for LLVM 12 and 13.
For reference, the previous increase to LLVM 10 was #83387,
and this replaces the pending increase to LLVM 11 in #90062.
r? `@nagisa` `@nikic`
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CI: make docker cache download and `docker load` time out after 10 minutes
Might help to prevent timeouts we have been seeing:
* https://github.com/rust-lang-ci/rust/runs/3946294286?check_suite_focus=true#step:25:23
* https://github.com/rust-lang-ci/rust/runs/3956799200?check_suite_focus=true#step:25:22
* https://github.com/rust-lang-ci/rust/runs/3962928502?check_suite_focus=true#step:25:23
* https://github.com/rust-lang-ci/rust/runs/3967892291?check_suite_focus=true
* https://github.com/rust-lang-ci/rust/runs/3971202204?check_suite_focus=true
If the download or loading the images into docker times out the CI will still continue and rebuild the docker image from scratch.
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Add test for line-number setting
The first commit updates the version of the package to be able to have multi-line commands (which looks much nicer for this test).
r? ````@jsha````
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Split out LLVM PGO step and use clang 13 to compile LLVM
We're seeing a PGO version mismatch error in CI logs:
LLVM Profile Error: Runtime and instrumentation version mismatch : expected 5, but get 7
which is likely due to the version bumped here differing from that used by
rustc.
This PR fixes this by splitting out the PGO step for LLVM into a separate phase of the pgo.sh script, which nets no change to performance (see [these results](https://perf.rust-lang.org/compare.html?start=c34ac8747ca96d09cb08b8f5adddead826e77c06&end=e272c2af45f40c74dab83948235903ffbe3ad57f)). Then, it follows that up with an upgrade to LLVM/clang version 13 as our bootstrap compiler, which yields the performance improvements for this PR -- around 5%. This depends on the first step here, because otherwise we end up somehow clobbering or otherwise hurting our ability to effectively collect performance data, yielding reductions in performance for a subset of benchmarks -- it is not clear what the cause here was precisely, but the split only costs ~10 minutes and seems worthwhile.
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This commit updates the wasi-libc that we include with the wasm32-wasi
target, which brings in various misc fixes such as musl updates and some
math tweaks.
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Crosstool-ng 1.22 used by those docker dist builds only allows one
mirror for all downloads.
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suitable .config file.
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images
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adding libproctsta, for the upcoming libc update.
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This skips bumping Windows sccache because we run into compilation failures when
doing so (-m32 not supported by clang-cl?). Not clear on cause, but seems
easiest to just hold back.
This should avoid PGO-related failures encountered on Linux, and more broadly
seems like a good idea on other platforms as well (though it is likely not
necessary right this moment).
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This shows up to 5% less instruction counts on multiple benchmarks, and up to
19% wins on the -j1 wall times for rustc self-compilation.
We can afford to spend the extra cycles building LLVM essentially once more for
the x86_64-unknown-linux-gnu CI build today. The builder finishes in around 50
minutes on average, and this adds just 10 more minutes. Given the sizeable
improvements in compiler performance, this is definitely worth it.
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Remove git fetch from CI
https://github.com/rust-lang/rust/pull/86623 added a call to `git fetch`, which is problematic for releases.
r? `@pietroalbini`
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r=Mark-Simulacrum
Update browser-ui-test package version
It adds a check to prevent to have empty CSS values in `assert-css` command.
r? `@Mark-Simulacrum`
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This is needed to handle R_X86_64_REX_GOTPCRELX relocations.
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The LLD + ThinLTO __morestack bug has been fixed in 12.0.1, so
we can now update our clang version. This also means that we no
longer need to build Python 2.
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not emitted
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* Make html-checker run by default on rust compiler docs as well
* Ensure html-checker is run on CI
* Lazify tidy binary presence check
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Use HTTPS links where possible
While looking at #86583, I wondered how many other (insecure) HTTP links were in `rustc`. This changes most other `http` links to `https`. While most of the links are in comments or documentation, there are a few other HTTP links that are used by CI that are changed to HTTPS.
Notes:
- I didn't change any to or in licences
- Some links don't support HTTPS :(
- Some `http` links were dead, in those cases I upgraded them to their new places (all of which used HTTPS)
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This is needed as they are built on a long-outdated Debian version. :(
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