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r=centril
Revert stabilization of never type
Fixes https://github.com/rust-lang/rust/issues/66757
I decided to keep the separate `never-type-fallback` feature gate, but tried to otherwise revert https://github.com/rust-lang/rust/pull/65355. Seemed pretty clean.
( cc @Centril, author of #65355, you may want to check this over briefly )
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Actually to commit <69f99e74ac2266dff4b5adc7c59b35236f0abef1>.
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Require stable/unstable annotations for the constness of all stable fns with a const modifier
r? @RalfJung @Centril
Every `#[stable]` const fn now needs either a `#[rustc_const_unstable]` attribute or a `#[rustc_const_stable]` attribute. You can't silently stabilize the constness of a function anymore.
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functions with a `const` modifier
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This commit builds on #65501 continue to simplify the build system and
compiler now that we no longer have multiple LLVM backends to ship by
default. Here this switches the compiler back to what it once was long
long ago, which is linking LLVM directly to the compiler rather than
dynamically loading it at runtime. The `codegen-backends` directory of
the sysroot no longer exists and all relevant support in the build
system is removed. Note that `rustc` still supports a dynamically loaded
codegen backend as it did previously, it just no longer supports
dynamically loaded codegen backends in its own sysroot.
Additionally as part of this the `librustc_codegen_llvm` crate now once
again explicitly depends on all of its crates instead of implicitly
loading them through the sysroot. This involved filling out its
`Cargo.toml` and deleting all the now-unnecessary `extern crate`
annotations in the header of the crate. (this in turn required adding a
number of imports for names of macros too).
The end results of this change are:
* Rustbuild's build process for the compiler as all the "oh don't forget
the codegen backend" checks can be easily removed.
* Building `rustc_codegen_llvm` is much simpler since it's simply
another compiler crate.
* Managing the dependencies of `rustc_codegen_llvm` is much simpler since
it's "just another `Cargo.toml` to edit"
* The build process should be a smidge faster because there's more
parallelism in the main rustc build step rather than splitting
`librustc_codegen_llvm` out to its own step.
* The compiler is expected to be slightly faster by default because the
codegen backend does not need to be dynamically loaded.
* Disabling LLVM as part of rustbuild is still supported, supporting
multiple codegen backends is still supported, and dynamic loading of a
codegen backend is still supported.
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Add options to --extern flag.
This changes the `--extern` flag so that it can take a series of options that changes its behavior. The general syntax is `[opts ':'] name ['=' path]` where `opts` is a comma separated list of options. Two options are supported, `priv` which replaces `--extern-private` and `noprelude` which avoids adding the crate to the extern prelude.
```text
--extern priv:mylib=/path/to/libmylib.rlib
--extern noprelude:alloc=/path/to/liballoc.rlib
```
`noprelude` is to be used by Cargo's build-std feature in order to use `--extern` to reference standard library crates.
This also includes a second commit which adds the `aux-crate` directive to compiletest. I can split this off into a separate PR if desired, but it helps with defining these kinds of tests. It is based on #54020, and can be used in the future to replace and simplify some of the Makefile tests.
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Update cargo
11 commits in 750cb1482e4d0e74822cded7ab8b3c677ed8b041..626f0f40efd32e6b3dbade50cd53fdfaa08446ba
2019-11-23 23:06:36 +0000 to 2019-12-03 16:53:04 +0000
- Change some texts to links in README (rust-lang/cargo#7652)
- Update config and environment variable docs. (rust-lang/cargo#7650)
- Stop ignoring .rs.bk files; rustfmt hasn't generated them in years (rust-lang/cargo#7647)
- Various contributing docs updates. (rust-lang/cargo#7642)
- Stabilize profile-overrides. (rust-lang/cargo#7591)
- Update comment about ResolveVersion default version. (rust-lang/cargo#7637)
- Update tests for slight wording change in rustdoc error message. (rust-lang/cargo#7641)
- Remove dep_targets. (rust-lang/cargo#7626)
- vendor: don't use canonical path in .cargo/config (rust-lang/cargo#7629)
- Minor testsuite organization. (rust-lang/cargo#7628)
- Remove failing plugin tests. (rust-lang/cargo#7630)
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Update Clippy
Fixes #66989
r? @Manishearth @Centril
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update Miri
Fixes https://github.com/rust-lang/rust/issues/66862
r? @ghost
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Changes:
````
Normalize custom ICE test
Rustup to rust-lang/rust#64736
Use assert_crate_local for a more explicit error
Rustup to https://github.com/rust-lang/rust/pull/66789
account for external macro in MISSING_INLINE_IN_PUBLIC_ITEMS lint
build(tests/fmt): use shared target dir
chore: fix and split some ui tests on 32bit system
build: set up build job for i686 targets
remove needless my_lint ui test
git quiet
deploy: cd to out/ before adding files to git
Less needless_doctest_main false positives
fmt
Feed the dog
Use rustc_env instead of exec_env for test
Make triggering this lint less likely :paperclip:
Use exec_env to set backtrace level and normalize output
Update custom ICE function with latest rustc
Use Clippy version in ICE message
Add custom ICE message that points to Clippy repo
Fix master deployment
Run update_lints
Add projections check to EUV for escape analysis
Use infer_ctxt
Move use_self to nursery
Use `println!` on success instead of `eprintln!`
Revert "Disable chalk integration test. Output too large"
Remove the old integration-tests.sh script
Use rust implementation for integration tests in CI
Rust implementation of integration test
Don't error on clippy.toml of dependencies
Fix categorizations
Fix arguments on ExprUseVisitor::new
euv moved from middle to typeck
cmt_ -> Place
build: check if RTIM is not installed
make use of Result::map_or
trigger string_lit_as_bytes when literal has escapes
Remove negative float literal checks.
Enable deny-warnings feature everywhere in CI
Remove unused debugging feature
implemented `as_conversions` lint
fixing a typo
[comparison_chain] #4827 Check `core::cmp::Ord` is implemented
add a good example for the approx_const lint
Add suggested good cases in docs for lifetimes lint
````
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Update clippy
Fixes https://github.com/rust-lang/rust/issues/66728
r? @ghost
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Put back tidy check on error codes
I just realized that the tidy checks were not run anymore on the error code long explanations. This add it back.
cc @Dylan-DPC
r? @Mark-Simulacrum
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tidy: Accommodate rustfmt's preferred layout of stability attributes
Previously tidy would require that the `feature = "name_of_feature"` part of the stability attribute was on the same line as the `#[stable(` / `#[unstable(` opening part of the attribute, and that `)]` was on the same line as the last key-value pair.
That didn't work with rustfmt's preferred layout of long attributes, which is like:
```rust
#[unstable(
feature = "c_variadic",
reason = "the `c_variadic` feature has not been properly tested on \
all supported platforms",
issue = "44930"
)]
```
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Rollup of 7 pull requests
Successful merges:
- #65613 (Preserve whitespace inside one-backtick codeblocks)
- #66512 (Add unix::process::CommandExt::arg0)
- #66569 (GitHub Actions: preparations, part 1)
- #66678 (Remove useless line for error index generation)
- #66684 (Drive-by cleanup in region naming)
- #66694 (Add some comments to panic runtime)
- #66698 (tidy: Remove unused import)
Failed merges:
r? @ghost
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tidy: Remove unused import
It produces annoying warnings on `x.py` runs.
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r=Dylan-DPC
Remove useless line for error index generation
As you can see here: https://github.com/rust-lang/rust/blob/master/src/librustc_error_codes/error_codes.rs#L10, this replacement is now completely useless.
r? @Dylan-DPC
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Previously tidy would require that the `feature = "name_of_feature"`
part of the stability attribute was on the same line as the `#[stable(`
/ `#[unstable(` opening part of the attribute, and that `)]` was on the
same line as the last key-value pair.
That didn't work with rustfmt's preferred layout of long attributes,
which is like:
#[unstable(
feature = "c_variadic",
reason = "the `c_variadic` feature has not been properly tested on \
all supported platforms",
issue = "44930"
)]
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r=Mark-Simulacrum
Update tidy check for error codes testing
Now that all the error codes have been grouped into one file, we moved the long error explanations into markdown files, which means that we need to read those markdown file to also count their code blocks as well.
So 2 "big" things happened here:
* No more need to keep the current error code when reading the `error_codes.rs` file since it's been put into the equivalent markdown file.
* Need to instead read the markdown file (but it's simpler since I can just look for code blocks directly).
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Bump Miri for panic unwinding support
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The `//[X]~` syntax filters errors for tests that are run across
multiple cfgs with `// revisions:`. This commit extends that syntax to
accept `//[X,Y]~`, which will match multiple cfgs to the same error
annotation. This is functionally the same as writing two comments,
`//[X]~` and `//[Y]~`, but can fit on a single line.
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Making ICEs and test them in incremental
This adds:
- A way to make the compiler ICE
- A way to check for ICE in `cfail` tests with `should-ice`
- A regression test for issue #65401
I am not sure the attribute added `should-ice` is the best for this job
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Add JohnTitor to rustc-guide toolstate notification list
Add JohnTitor to rustc-guide toolstate notification list
Also, update org names of some books
r? @spastorino
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r=ollie27,Dylan-DPC
Stabilize rustdoc theme options
Closes #54730
This PR stabilizes the `--themes` (now `--theme`) and `--theme-checker` (now `--check-theme`) options, for allowing users to add custom themes to their documentation.
Rustdoc includes two themes by default: `light` and `dark`. Using the `--theme` option, you can give rustdoc a CSS file to include as an extra theme for that render. Themes are named after the CSS file used, so using `--theme /path/to/your/custom-theme.css` will add a theme called `custom-theme` to the documentation.
Even though the CLI flag to add a theme is getting stabilized, there's no guarantee that a theme file will always have the same effect on documentation generated with future versions of rustdoc. To aid in ensuring that a theme will work, the flag `--check-theme` is also available, which compares the CSS rules defined by a custom theme against the ones used in the `light` theme. If the `light` theme defines a CSS rule that the custom theme does not, rustdoc will report an error. (Rustdoc also performs this check for themes given to `--theme`, but only reports a warning when a difference is found.)
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Also update org names of some books
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