Add `ConstKind::Expr`
Starting to implement `ty::ConstKind::Abstract`, most of the match cases are stubbed out, some I was unsure what to add, others I didn't want to add until a more complete implementation was ready.
r? `@lcnr`
Previously an exact match of the `instruction_set` attribute was required for an MIR inline to be considered. This change checks for an exact match *only* if the callee sets an `instruction_set` in the first place. When the callee does not declare an instruction set then it is considered to be platform agnostic code and it's allowed to be inline'd into the caller.
Re-enable `uninlined_format_args` on multiline `format!`
fix https://github.com/rust-lang/rust-clippy/issues/9719
There was an issue with the code suggestion which can be sometimes completely broken (fortunately when applied it's valid), so we do not show it.
changelog: [`uninlined_format_args`] re-enable for multiline format expression, but do not show the literal code suggestion in those cases
rustdoc: fix broken tooltip CSS
text `#ffffff` on background `#fdffd3` fails the [WCAG color contrast checker], and seems like a mistake in 16b55903ee.
Making the cursor a pointer is misleading, since clicking it doesn't do anything.
[WCAG color contrast checker]: https://accessibleweb.com/color-contrast-checker/
rustbuild: Don't build doc::SharedAssets when building JSON docs.
Previously, running `./x doc library/core/ --json` on a plain build would panic bootstrap.
```
$ ./x doc library/core/ --json
Building rustbuild
Blocking waiting for file lock on package cache
Compiling bootstrap v0.0.0 (/home/nixon/dev/rust/rust/src/bootstrap)
Finished dev [unoptimized] target(s) in 4.47s
thread 'main' panicked at 'fs::write(&version_info, &info) failed with No such file or directory (os error 2) ("/home/nixon/dev/rust/rust/build/x86_64-unknown-linux-gnu/doc/version_info.html")', doc.rs:410:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Build completed unsuccessfully in 0:00:04
```
Becuase the `SharedAssets` step assumes that the HTML out dir has been created. This isn't true for JSON.
The fix is to not build shared assets when doing a JSON doc build, as it doesn't need them.
r? ``@jyn514``
``@rustbot`` modify labels: +A-rustdoc-json
rustc_codegen_ssa: write `.dwp` in a streaming fashion
When writing a `.dwp` file, rustc writes to a Vec first then to a BufWriter-wrapped file. It seems very likely that we can write in a streaming fashion to avoid double buffering in an intermediate Vec.
On my Linux machine, `.dwp` from the latest rust-lang/cargo is 113MiB. It may worth a stream writer, though I didn't do any benchmark 🙇🏾♂️.
Lint unnecessary safety comments
changelog: [`unnecessary_safety_comment`]: Add unnecessary safety comment lint
Addresses https://github.com/rust-lang/rust-clippy/issues/7954
This does not necessarily catch all occurences, as doing so would require checking all expressions in the entire source which seems rather expensive. Instead what the lint does is it checks items, statements and the tail expression of blocks for safety comments, then checks if those comments are necessary or not, then linting for the unnecessary ones.
I kept the tests in one file to check that the lints do not clash with each other.
