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Rollup of 6 pull requests
Successful merges:
- #64085 (Tweak unsatisfied HRTB errors)
- #64380 (Update bundled OpenSSL to 1.1.1d)
- #64416 (Various refactorings to clean up nll diagnostics)
- #64500 (Various `ObligationForest` improvements)
- #64530 (Elide lifetimes in `Pin<&(mut) Self>`)
- #64531 (Use shorthand syntax in the self parameter of methods of Pin)
Failed merges:
r? @ghost
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Use shorthand syntax in the self parameter of methods of Pin
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Elide lifetimes in `Pin<&(mut) Self>`
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Various `ObligationForest` improvements
These commits make the code both nicer and faster.
r? @nikomatsakis
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Various refactorings to clean up nll diagnostics
- Create ErrorReportingCtx and ErrorConstraintInfo, vasting reducing the
number of arguments passed around everywhere in the error reporting code
- Create RegionErrorNamingCtx, making a given lifetime have consistent
numbering thoughout all error messages for that MIR def.
- Make the error reporting code return the DiagnosticBuilder rather than
directly buffer the Diagnostic. This makes it easier to modify the
diagnostic later, e.g. to add suggestions.
r? @estebank
Split out from https://github.com/rust-lang/rust/pull/58281
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Update bundled OpenSSL to 1.1.1d
Brings in a few minor security fixes to the distributed Cargo/etc.
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Tweak unsatisfied HRTB errors
r? @oli-obk
Close #35180.
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Rollup of 4 pull requests
Successful merges:
- #64357 (`AdtDef` is an algebraic data type, not abstract data type)
- #64485 (update Miri)
- #64509 (Make some adjustments to the documentation for `std::convert::identity`)
- #64518 (Use while let slice_pattern instead of carrying an index around)
Failed merges:
r? @ghost
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r=oli-obk
Use while let slice_pattern instead of carrying an index around
r? @oli-obk
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Make some adjustments to the documentation for `std::convert::identity`
Fixes some extra blank lines and makes some minor tweaks to the wording.
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update Miri
Fixes https://github.com/rust-lang/rust/issues/64363
r? @alexcrichton for the Cargo.toml changes: with byteorder 1.3, the `i128` feature is a NOP, so we can remove it everywhere and then get rid of this crate in the workspace-hack.
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`AdtDef` is an algebraic data type, not abstract data type
r? @varkor
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Rollup of 10 pull requests
Successful merges:
- #63955 (Make sure interned constants are immutable)
- #64028 (Stabilize `Vec::new` and `String::new` as `const fn`s)
- #64119 (ci: ensure all tool maintainers are assignable on issues)
- #64444 (fix building libstd without backtrace feature)
- #64446 (Fix build script sanitizer check.)
- #64451 (when Miri tests are not passing, do not add Miri component)
- #64467 (Hide diagnostics emitted during --cfg parsing)
- #64497 (Don't print the "total" `-Ztime-passes` output if `--prints=...` is also given)
- #64499 (Use `Symbol` in two more functions.)
- #64504 (use println!() instead of println!(""))
Failed merges:
r? @ghost
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r=jonas-schievink
use println!() instead of println!("")
The empty string is unnecessary.
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r=petrochenkov
Use `Symbol` in two more functions.
r? @petrochenkov
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Don't print the "total" `-Ztime-passes` output if `--prints=...` is also given
Fixes #64339.
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Hide diagnostics emitted during --cfg parsing
The early error is more than sufficient for fixing the problem.
Fixes https://github.com/rust-lang/rust/issues/31496.
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when Miri tests are not passing, do not add Miri component
This makes build-manifest query the toolstate repo at https://github.com/rust-lang-nursery/rust-toolstate to figure out if the tests of the Miri component are passing. If they are not, we remove the component from the manifest, to avoid shipping a broken Miri.
I tested this locally by running build-manifest and making sure that it correctly detects the toolstate of 02785dabad07d19b8c76a7f86763801d5d3497ff as broken.
r? @pietroalbini
Cc @kennytm @alexcrichton
Fixes https://github.com/rust-lang/rust/issues/60301
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Fix build script sanitizer check.
#64166 changed the way the sanitizer build scripts work. However, they were changed so that they switch between new-style to old-style cargo fingerprints. This trips up on https://github.com/rust-lang/cargo/issues/6779.
It also causes rustbuild to panic. If you build stage1 std (with sanitizers off), and then enable sanitizers, it panics. (This is because the build scripts don't declare that they need to re-run.)
This PR will trip https://github.com/rust-lang/cargo/issues/6779 again, unfortunately. I've been having way too many unexplained rebuilds in rust-lang/rust recently, but at least I'll know why this time.
This doesn't fix all problems with the build scripts, but arguably they should be fixed in cargo. For example, the build scripts change which rerun-if statements they declare between runs which triggers https://github.com/rust-lang/cargo/issues/7362.
The test for this is:
1. Turn off sanitizers (which is the default)
2. `./x.py build --stage=1 src/libstd`
3. `./x.py build --stage=1 src/libstd` again should be a null build.
4. Enable sanitizers.
5. `./x.py build --stage=1 src/libstd` should rebuild with sanitizers enabled.
6. `./x.py build --stage=1 src/libstd` again should be a null build. This actually rebuilds due to https://github.com/rust-lang/cargo/issues/7362 because the rerun-if directives changed between step 3 and 5. A 3rd attempt should be a null build.
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fix building libstd without backtrace feature
Fixes https://github.com/rust-lang/rust/issues/64410
r? @alexcrichton
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ci: ensure all tool maintainers are assignable on issues
GitHub only allows people explicitly listed as collaborators on the repository or who commented on the issue/PR to be assignees, failing to create the issue if non-assignable people are assigned.
This adds an extra check on CI to make sure all the people listed as tool maintainers can be assigned to toolstate issues. The check won't be executed on PR builds due to the lack of a valid token.
r? @kennytm
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Stabilize `Vec::new` and `String::new` as `const fn`s
Closes https://github.com/rust-lang/rust/issues/64022.
r? @oli-obk
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Make sure interned constants are immutable
This makes sure that interning for constants (not statics) creates only immutable allocations.
Previously, the "main" allocation of `const FOO: Cell<i32> = Cell::new(0);` was marked as mutable, but I don't think we want that. It can be only copied, not written to.
Also, "leftover" allocations (behind raw pointers etc) were left mutable. I don't think we want to support that. I tried asserting that these are all already immutable (to double-check our static checks), but that failed in this one:
```rust
const NON_NULL_PTR2: NonNull<u8> = unsafe { mem::transmute(&0) };
```
Seems like maybe we want more precise mutability annotation inside Miri for locals (like `&0` here) so that this would actually become immutable to begin with?
I also factored `intern_shallow` out of the visitor so that we don't have to construct a visitor when we do not plan to visit anything. That confused me at first.
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Fixes some extra blank lines and makes some minor tweaks to the wording.
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They don't contribute to rust-by-example anymore.
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GitHub only allows people explicitly listed as collaborators on the
repository or who commented on the issue/PR to be assignees, failing to
create the issue if non-assignable people are assigned.
This adds an extra check on CI to make sure all the people listed as
tool maintainers can be assigned to toolstate issues. The check won't be
executed on PR builds due to the lack of a valid token.
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Upgrade parking_lot and tempfile rustc dependencies
This should be last piece to unbreak `rustc` in https://github.com/rust-lang/rust/issues/63848
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Improve BTreeSet::Intersection::size_hint
A comment on `IntersectionInner` mentions `small_iter` should be smaller than `other_iter` but this condition is broken while iterating because those two iterators can be consumed at a different rate. I added a test to demonstrate this situation.
<del>I made `small_iter.len() < other_iter.len()` always true by swapping two iterators when that condition became false. This change affects the return value of `size_hint`. The previous result was also correct but this new version always returns smaller upper bound than the previous version.</del>
I changed `size_hint` to taking minimum of both lengths of iterators and renamed fields to `a` and `b` to match `Union` iterator.
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The commented invariant that an iterator is smaller than other iterator
was violated after next is called and two iterators are consumed at
different rates.
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Fixes #64339.
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It's more concise, more idiomatic, and measurably faster.
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