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More fixes for running the test suite on a bare metal target
This PR adds more fixes needed to run the test suite on bare metal targets (in this case, without unwinding and with static relocations). There is no CI job exercising tests without unwinds, but I can confirm this worked in Ferrocene's CI.
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ci: upgrade to crosstool-ng 1.26.0
This PR upgrades our builders from crosstool-ng 1.25.0 to 1.26.0. Except for LoongArch64 and RISC-V 64, which have minor version upgrades, other architectures have not changed.
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Implement the `llvm.x86.sse2.pmadd.wd` intrinsic
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Clippy backport: Move needless_raw_string_hashes to pedantic
Really small backport this time. Context: https://github.com/rust-lang/rust-clippy/pull/11415#issuecomment-1739880932
I'd rather get this in 1.74 than waiting another release cycle.
r? `@Manishearth`
cc `@Mark-Simulacrum` This should be merged before beta is branched tomorrow.
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Miri subtree update
r? `@ghost`
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Remove `rustc_lint_defs::lint_array`
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ref(bootstrap.py): add `eprint` function
Implemented a 3-line function called `eprint` which is just like `print` but for `stderr`. So each `print(..., file=sys.stderr)` becomes `eprint(...)`.
<br/>
Testing `eprint` function:
```sh
$ cat eprint.py
```
```python
import sys
def eprint(*args, **kwargs):
kwargs['file'] = sys.stderr
print(*args, **kwargs)
eval('eprint({})'.format(sys.argv[1]))
```
```sh
$ python3 eprint.py '"hello"'
hello
$
```
```sh
$ python3 eprint.py '"hello"' 2>/dev/null
$
```
```sh
$ python3 eprint.py '"hello", "world", flush=True, file=sys.stdout'
hello world
$
```
```sh
$ python3 eprint.py '"hello", "world", flush=True, file=sys.stdout' 2>/dev/null
$
```
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Update LLVM submodule
Update LLVM submodule to pull in additional 17.x backports.
Fixes https://github.com/rust-lang/rust/issues/115970.
Fixes miscompile from https://github.com/rust-lang/rust/pull/115554.
Fixes miscompile from https://github.com/rust-lang/rust/pull/102099.
Fixes inlining regressions mentioned at https://github.com/rust-lang/llvm-project/pull/153.
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update ui_test
In particular this includes https://github.com/oli-obk/ui_test/pull/167 :)
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Update windows ffi bindings
Bump `windows-bindgen` to version 0.51.1. This brings with it some changes to the generated FFI bindings, but little that affects the code.
One change that does have more of an impact is `SOCKET` being `usize` instead of either `u64` or `u32` (as is used in std's public `SOCKET` type). However, it's now easy enough to abstract over that difference.
Finally I added a few new bindings that are likely to be used in pending PRs, mostly to make sure they're ok with the new metadata.
r? libs
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Document -Zlink-native-libraries
Originally added in #70095.
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more clippy complextity fixes
redundant_guards, useless_format, clone_on_copy
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rustdoc: while -> if
we will always return once we step inside the while-loop thus `if` is sufficient here
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Originally added in #70095.
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Fix whitespace in rustdoc type_layout.html
`Size: <size>` was missing a space after the colon:
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Implement a global value numbering MIR optimization
The aim of this pass is to avoid repeated computations by reusing past assignments. It is based on an analysis of SSA locals, in order to perform a restricted form of common subexpression elimination.
By opportunity, this pass allows for some simplifications by combining assignments. For instance, this pass could be able to see through projections of aggregates to directly reuse the aggregate field (not in this PR).
We handle references by assigning a different "provenance" index to each `Ref`/`AddressOf` rvalue. This ensure that we do not spuriously merge borrows that should not be merged. Meanwhile, we consider all the derefs of an immutable reference to a freeze type to give the same value:
```rust
_a = *_b // _b is &Freeze
_c = *_b // replaced by _c = _a
```
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we will always return once we step inside the while-loop thus `if` is sufficient here
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Amend style guide section for formatting where clauses in type aliases
This PR has two parts:
1. Amend wording about breaking before or after the `=`, which is a style guide bugfix to align it with current rustfmt behavior.
2. Explain how to format trailing (#89122) where clauses, which are preferred in both GATs (#90076) and type aliases (#114662).
r? `@joshtriplett`
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Split out the stable part of smir into its own crate to prevent accidental usage of forever unstable things
Some groundwork for being able to work on https://github.com/rust-lang/project-stable-mir/issues/27 at all
r? `@spastorino`
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Update cargo
11 commits in 414d9e3a6d8096f3e276234ce220c868767a8792..e6aabe8b3fcf639be3a5bf68e77853bd7b3fa27d
2023-09-22 07:03:57 +0000 to 2023-09-26 16:31:53 +0000
- Use full target spec for `cargo rustc --print --target` (rust-lang/cargo#12743)
- feat(embedded): Hack in code fence support (rust-lang/cargo#12681)
- chore(ci): Update Renovate schema (rust-lang/cargo#12741)
- more specific registry index not found msg (rust-lang/cargo#12732)
- docs: warn about upload timeout (rust-lang/cargo#12733)
- Fix some typos (rust-lang/cargo#12730)
- upgrade gitoxide to v0.54 (rust-lang/cargo#12731)
- Update target-arch-aware crates to support mips r6 targets (rust-lang/cargo#12720)
- Buffer console status messages. (rust-lang/cargo#12727)
- Fix spurious errors with networking tests. (rust-lang/cargo#12726)
- refactor(SourceId): merge `name` and `alt_registry_key` into one enum (rust-lang/cargo#12675)
r? ghost
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Don't store lazyness in `DefKind::TyAlias`
1. Don't store lazyness of a type alias in its `DefKind`, but instead via a query.
2. This allows us to treat type aliases as lazy if `#[feature(lazy_type_alias)]` *OR* if the alias contains a TAIT, rather than having checks for both in separate parts of the codebase.
r? `@oli-obk` cc `@fmease`
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New license exceptions from gix:
* (byteyarn", "Apache-2.0")
* ("encoding_rs", "(Apache-2.0 OR MIT) AND BSD-3-Clause")
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subst -> instantiate
continues #110793, there are still quite a few uses of `subst` and `substitute`, but changing them all in the same PR was a bit too much, so I've stopped here for now.
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Update books
## rust-embedded/book
1 commits in 99ad2847b865e96d8ae7b333d3ee96963557e621..eac173690b8cc99094e1d88bd49dd61127fbd285
2023-09-12 07:34:44 UTC to 2023-09-12 07:34:44 UTC
- USB connector-type correction (rust-embedded/book#360)
## rust-lang/nomicon
1 commits in e3f3af69dce71cd37a785bccb7e58449197d940c..ddfa4214487686e91b21aa29afb972c08a8f0d5b
2023-09-22 17:04:10 UTC to 2023-09-22 17:04:10 UTC
- Fill "Beneath `std`" (rust-lang/nomicon#413)
## rust-lang/reference
1 commits in ee7c676fd6e287459cb407337652412c990686c0..5262e1c3b43a2c489df8f6717683a44c7a2260fd
2023-09-18 18:28:31 UTC to 2023-09-18 18:28:31 UTC
- we reserve the right to reduce our amount of UB (rust-lang/reference#1397)
## rust-lang/rustc-dev-guide
8 commits in 08bb147d51e815b96e8db7ba4cf870f201c11ff8..a13b7c28ed705891c681ce5417b3d1cdb12cecd1
2023-09-25 05:14:41 UTC to 2023-09-11 21:29:18 UTC
- Clarify all the `{AP,RP}IT{,IT}` impl trait types (rust-lang/rustc-dev-guide#1798)
- Modify build instructions for optimized build (rust-lang/rustc-dev-guide#1795)
- Remove outdated references to coverage debug code (rust-lang/rustc-dev-guide#1797)
- Add deep dive document about early/late bound parameters interacting with turbofish (rust-lang/rustc-dev-guide#1794)
- explain the MIR const vs TY const situation (rust-lang/rustc-dev-guide#1793)
- fix type name (rust-lang/rustc-dev-guide#1792)
- Clarify that `run-coverage` only runs in some of the CI jobs (rust-lang/rustc-dev-guide#1791)
- Document the `coverage-map` and `run-coverage` test suites (rust-lang/rustc-dev-guide#1790)
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Fix typo in rustdoc unstable features doc
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MCP: https://github.com/rust-lang/compiler-team/issues/664
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Clippy subtree update
r? `@Manishearth`
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