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Fix `-nopt` CI jobs
They were using `--config` instead of `--set`, which overrides too much stuff after recent changes to config merging.
Should hopefully unblock https://github.com/rust-lang/rust/pull/142447.
r? `@jieyouxu`
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clarify `rustc_do_not_const_check` comment
~~Given that we have used this attribute for other reasons before it seems appropriate to make this a "usually".~~
Add function name as a pointer
cc ```@rust-lang/wg-const-eval```
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Add initial version of snapshot tests to bootstrap
When making any changes to bootstrap (steps), it is very difficult to realize how does it affect various common bootstrap commands, and if everything still works as we expect it to. We are far away from having actual end-to-end tests, but what we could at least do is have a way of testing what steps does bootstrap execute in dry run mode. Now, we already have something like this in `src/bootstrap/src/core/builder/tests.rs`, however that is quite limited, because it only checks executed steps for a specific impl of `Step` and it does not consider step order.
Recently, when working on what I thought was one of the simplest possible step untanglings in bootstrap (https://github.com/rust-lang/rust/pull/142357), I ran into errors in tests that were quite hard to debug. Partly also because the current staging test diffs are multiline and use `Debug` output, so it's quite difficult for me to make sense of them.
In this PR, I introduce `insta`, which allows writing snapshot tests in a very simple way. With it, I want to allow writing tests that will clearly show us what is going on during bootstrap execution, and then write golden tests for `build/check/test` stage `0/1/2` for compiler/std/tools etc., to make sure that we don't regress something, and also to help with [#t-infra/bootstrap > Proposal to cleanup stages and steps after the redesign](https://rust-lang.zulipchat.com/#narrow/channel/326414-t-infra.2Fbootstrap/topic/Proposal.20to.20cleanup.20stages.20and.20steps.20after.20the.20redesign/with/523488806), to help avoid a situation where we would (again) have to make a flurry of staging changes because of unexpected consequences.
In the snapshot tests, we currently render the build of rustc, std and LLVM. Currently I render the executed steps using downcasting, which is not super pretty, but it allows us to make the test rendering localized in one place, and it's IMO enough for now.
I implemented only a single test using the new machinery. Maybe if you take a look at it, you will understand why :laughing: Bootstrap currently does some peculiar things, such as running a stage 0 std step (even though stage 0 std no longer exists) and running the Rustc stage 0 -> 1 step twice, once with a single crates, once with all rustc crates. So I think that even with this single step, there will be a bunch of things to fix in the near future...
The way we currently prepare the Config test fixtures is far from ideal, this is something I think ``@Shourya742`` could work on as a part of their GSoC project (remove as much command execution from Config construction as possible, actually run bootstrap on a temporary directory instead of running it on the rustc checkout, create a Builder-like API for creating the Config test fixtures).
r? ``@jieyouxu``
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Assorted bootstrap cleanups (step 2)
Very small improvements designed towards making bootstrap tests less hacky/special, and towards making it possible to run bootstrap tests in parallel.
Best reviewed commit by commit.
r? ``@jieyouxu``
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Stabilize "file_lock" feature
Closes https://github.com/rust-lang/rust/issues/130994
r? ```@joshtriplett```
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faster string parsing
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Miri subtree update
r? `@ghost`
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They were using `--config` instead of `--set`, which overrides too much stuff.
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Fix some links in the book
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r=Kobzol
Remove check run bootstrap
This PR migrates all usage of check_run to new execution context api's.
r? `@Kobzol`
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Reduce precedence of expressions that have an outer attr
Previously, `-Zunpretty=expanded` would expand this program as follows:
```rust
#![feature(stmt_expr_attributes)]
macro_rules! repro {
($e:expr) => {
#[allow(deprecated)] $e
};
}
#[derive(Default)]
struct Thing {
#[deprecated]
field: i32,
}
fn main() {
let thing = Thing::default();
let _ = repro!(thing).field;
}
```
```rs
#![feature(prelude_import)]
#![feature(stmt_expr_attributes)]
#[prelude_import]
use std::prelude::rust_2021::*;
#[macro_use]
extern crate std;
struct Thing {
#[deprecated]
field: i32,
}
#[automatically_derived]
impl ::core::default::Default for Thing {
#[inline]
fn default() -> Thing {
Thing { field: ::core::default::Default::default() }
}
}
fn main() {
let thing = Thing::default();
let _ = #[allow(deprecated)] thing.field;
}
```
This is not the correct expansion. The correct output would have `(#[allow(deprecated)] thing).field` with the attribute applying only to `thing`, not to `thing.field`.
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Remove wasm legacy abi
Closes https://github.com/rust-lang/rust/issues/122532
Closes https://github.com/rust-lang/rust/issues/138762
Fixes https://github.com/rust-lang/rust/issues/71871
https://github.com/rust-lang/rust/issues/88152
Fixes https://github.com/rust-lang/rust/issues/115666
Fixes https://github.com/rust-lang/rust/issues/129486
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Allow lifetime repeats in macros: $($x)'a*
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Optimize `pub(crate)` and `pub(self)` visibility resolution
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More idiomatic salsa use
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Idiomatic salsa use for enum variants query
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Cleanup incremental tests and verify query executions
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Add support for excluding imports from symbol search
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compiler & tools dependencies:
Locking 31 packages to latest compatible versions
Updating adler2 v2.0.0 -> v2.0.1
Updating cfg-if v1.0.0 -> v1.0.1
Updating clap v4.5.39 -> v4.5.40
Updating clap_builder v4.5.39 -> v4.5.40
Updating clap_derive v4.5.32 -> v4.5.40
Updating clap_lex v0.7.4 -> v0.7.5
Updating getopts v0.2.21 -> v0.2.23
Updating hermit-abi v0.5.1 -> v0.5.2
Updating jiff v0.2.14 -> v0.2.15
Updating jiff-static v0.2.14 -> v0.2.15
Updating libc v0.2.172 -> v0.2.173
Updating memchr v2.7.4 -> v2.7.5
Updating minifier v0.3.5 -> v0.3.6
Updating miniz_oxide v0.8.8 -> v0.8.9
Updating object v0.37.0 -> v0.37.1
Updating redox_syscall v0.5.12 -> v0.5.13
Updating rustc-demangle v0.1.24 -> v0.1.25
Updating syn v2.0.101 -> v2.0.103
Updating thread_local v1.1.8 -> v1.1.9
Updating unicode-width v0.2.0 -> v0.2.1
Updating wasi v0.11.0+wasi-snapshot-preview1 -> v0.11.1+wasi-snapshot-preview1
Updating wasm-encoder v0.233.0 -> v0.235.0
Removing wasmparser v0.232.0
Removing wasmparser v0.233.0
Adding wasmparser v0.234.0
Adding wasmparser v0.235.0
Updating wast v233.0.0 -> v235.0.0
Updating wat v1.233.0 -> v1.235.0
Updating windows v0.61.1 -> v0.61.3
Updating windows-link v0.1.1 -> v0.1.3
Adding windows-sys v0.60.2
Updating windows-targets v0.53.0 -> v0.53.2
Updating winnow v0.7.10 -> v0.7.11
note: pass `--verbose` to see 39 unchanged dependencies behind latest
library dependencies:
Locking 1 package to latest compatible version
Updating libc v0.2.172 -> v0.2.173
note: pass `--verbose` to see 4 unchanged dependencies behind latest
rustbook dependencies:
Locking 19 packages to latest compatible versions
Updating adler2 v2.0.0 -> v2.0.1
Updating cc v1.2.26 -> v1.2.27
Updating cfg-if v1.0.0 -> v1.0.1
Updating clap v4.5.39 -> v4.5.40
Updating clap_builder v4.5.39 -> v4.5.40
Updating clap_complete v4.5.52 -> v4.5.54
Updating clap_derive v4.5.32 -> v4.5.40
Updating clap_lex v0.7.4 -> v0.7.5
Updating getopts v0.2.21 -> v0.2.23
Updating jiff v0.2.14 -> v0.2.15
Updating jiff-static v0.2.14 -> v0.2.15
Updating libc v0.2.172 -> v0.2.173
Updating memchr v2.7.4 -> v2.7.5
Updating miniz_oxide v0.8.8 -> v0.8.9
Updating redox_syscall v0.5.12 -> v0.5.13
Updating syn v2.0.101 -> v2.0.103
Removing unicode-width v0.1.14
Removing unicode-width v0.2.0
Adding unicode-width v0.2.1
Updating windows-link v0.1.1 -> v0.1.3
Updating winnow v0.7.10 -> v0.7.11
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rustdoc_json: reduce allocations
These commits reduce the number of allocations done for rustdoc_json, mostly by avoiding unnecessary clones.
Best reviewed one commit at a time.
r? `@aDotInTheVoid`
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Adjust some doc for Query System
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use consistent title capitalization
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