Previously, `QueryJobInfo` was composed of two parts: a `QueryInfo` and
a `QueryJob`. However, both `QueryInfo` and `QueryJob` have a `span`
field, which seem to be the same. So, the `span` was recorded twice.
Now, `QueryJobInfo` is composed of a `QueryStackFrame` (the other field
of `QueryInfo`) and a `QueryJob`. So, now, the `span` is only recorded
once.
Update cargo, books
## nomicon
2 commits in 0c7e5bd1428e7838252bb57b7f0fbfda4ec82f02..fe6227eb3c8533200c52dffa42ef1b6f2f02c40e
2021-08-04 10:18:22 -0700 to 2021-08-31 05:42:38 +0900
- update lifetime-elision to show what elided code under `rust_2018_idi… (rust-lang/nomicon#306)
- Change code for `into_iter` on the `RawVec` section for consistency/soundness (rust-lang/nomicon#302)
## cargo
8 commits in f559c109cc79fe413a8535fb620a5a58b3823d94..18751dd3f238d94d384a7fe967abfac06cbfe0b9
2021-08-26 22:54:55 +0000 to 2021-09-01 14:26:00 +0000
- print the full destination path when no track duplicates (rust-lang/cargo#9850)
- Stabilize 2021 edition (rust-lang/cargo#9800)
- Stabilize patch-in-config (and prefer config over manifest) (rust-lang/cargo#9839)
- Adding the cargo doc --examples subcommand (rust-lang/cargo#9808)
- Make library created with `cargo new` clippy happy (rust-lang/cargo#9796)
- Swap out some outdated repo urls in documentation (rust-lang/cargo#9862)
- Change `cargo fix --edition` to only fix edition lints. (rust-lang/cargo#9846)
- Show desc of well known subcommands (fmt, clippy) in cargo --list (rust-lang/cargo#9848)
## reference
1 commits in da6ea9b03f74cae0a292f40315723d7a3a973637..0e5ed7a4bec065f0cc18c35d1c904639e095314d
2021-08-19 21:28:10 -0700 to 2021-08-29 17:33:21 +0900
- expressions.md: Attempt fixing broken grammar in Mutability paragraph (rust-lang/reference#1084)
## book
1 commits in 687e21bde2ea10c261f79fa14797c5137425098d..fcb5e0ea68112d85a1d29a7a7335978ef2a02181
2021-08-18 20:48:38 -0400 to 2021-08-31 21:26:19 -0400
- Improve the reading of the code (rust-lang/book#2845)
## rustc-dev-guide
7 commits in cf0e151b7925a40f13fbc6573c6f97d5f94c7c17..95f1acf9a39d6f402f654e917e2c1dfdb779c5fc
2021-08-22 11:47:02 -0300 to 2021-08-31 12:38:30 -0500
- Add link to `Span`
- Add rustc-source to suggested rust-analyzer config (rust-lang/rustc-dev-guide#1189)
- Fix typo, clarify backtick wording, and use inline code
- Trailing date comments in a line inside of a paragraph caused beginning of a new paragraph. (rust-lang/rustc-dev-guide#1196)
- Fix warning "Renderer command uses a path relative to the renderer output directory ..." (rust-lang/rustc-dev-guide#1194)
- Fix a code block containing ```rust
- date-check: Recognize capitalized 'Date' as well
## edition-guide
1 commits in 3710b0cae783d0bcd2b42452a63b081473f5970a..2d9b1b9da706de24650fdc5c3b0182f55c82115d
2021-07-26 11:34:46 -0700 to 2021-08-31 10:44:09 +0200
- Update for 2021 stabilization (rust-lang/edition-guide#266)
## embedded-book
1 commits in 4f9fcaa30d11ba52b641e6fd5206536d65838af9..c3a51e23859554369e6bbb5128dcef0e4f159fb5
2021-08-06 17:43:12 +0000 to 2021-08-26 07:04:58 +0000
- Make glossary more linkable and add more detail (rust-embedded/book#299)
Rollup of 9 pull requests
Successful merges:
- #86376 (Emit specific warning to clarify that `#[no_mangle]` should not be applied on foreign statics or functions)
- #88040 (BTree: remove Ord bound from new)
- #88053 (Fix the flock fallback implementation)
- #88350 (add support for clobbering xer, cr, and cr[0-7] for asm! on OpenPower/PowerPC)
- #88410 (Remove bolding on associated constants)
- #88525 (fix(rustc_typeck): produce better errors for dyn auto trait)
- #88542 (Use the return value of readdir_r() instead of errno)
- #88548 (Stabilize `Iterator::intersperse()`)
- #88551 (Stabilize `UnsafeCell::raw_get()`)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
Stabilize `UnsafeCell::raw_get()`
This PR stabilizes the associated function `UnsafeCell::raw_get()`. The FCP has [already completed](https://github.com/rust-lang/rust/issues/66358#issuecomment-899095068). While there was some discussion about the naming after the close of the FCP, it looks like people have agreed on this name. Still, it would probably be best if a `libs-api` member had a look at this and stated whether more discussion is needed.
While I was at it, I added some tests for `UnsafeCell`, because there were barely any.
Closes#66358.
Use the return value of readdir_r() instead of errno
POSIX says:
> If successful, the readdir_r() function shall return zero; otherwise,
> an error number shall be returned to indicate the error.
But we were previously using errno instead of the return value. This
led to issue #86649.
BTree: remove Ord bound from new
`K: Ord` bound is unnecessary on `BTree{Map,Set}::new` and their `Default` impl. No elements exist so there are nothing to compare anyway, so I don't think "future proof" would be a blocker here. This is analogous to `HashMap::new` not having a `K: Eq + Hash` bound.
#79245 originally does this and for some reason drops the change to `new` and `Default`. I can see why changes to other methods like `entry` or `symmetric_difference` need to be careful but I couldn't find out any reason not to do it on `new`.
Removing the bound also makes the stabilisation of `const fn new` not depending on const trait bounds.
cc `@steffahn` who suggests me to make this PR.
r? `@dtolnay`
Emit specific warning to clarify that `#[no_mangle]` should not be applied on foreign statics or functions
Foreign statics and foreign functions should not have `#[no_mangle]` applied, as it does nothing to the name and has some extra hidden behavior that is normally unwanted. There was an existing warning for this, but it says the attribute is only allowed on "statics or functions", which to the user can be confusing.
This PR adds a specific version of the unused `#[no_mangle]` warning that explains that the target is a *foreign* static or function and that they do not need the attribute.
Fixes#78989
Add bit removal methods to SparseBitMatrix and factor *BitSet relational methods into more extensible trait
I need the ability to clear the bits out of a row from `SparseBitMatrix`. Currently, all the mutating methods only allow insertion of bits, and there is no way to get access to the underlying data.
One approach is simply to make `ensure_row` public, since it grants `&mut` access to the underlying `HybridBitSet`. This PR adds the `pub` modifier. However, presumably this method was private for a reason, so I'm open to other designs. I would prefer general mutable access to the rows, because that way I can add many mutating operations (`clear`, `intersect`, etc.) without filing a PR each time :-)
r? `@ecstatic-morse`
This reduces the size of `GenericArgs` from 104 bytes to 56 bytes,
essentially reducing it by half.
`GenericArgs` is one of the fields of `PathSegment`, so this should
reduce the amount of memory allocated for `PathSegment`s in the cases
where the generics are not for a `Fn`, `FnMut`, or `FnOnce` trait.
I also added `static_assert_size!`s to `GenericArgs` and `PathSegment`
to ensure they don't increase in size unexpectedly.
Introduce `let...else`
Tracking issue: #87335
The trickiest part for me was enforcing the diverging else block with clear diagnostics. Perhaps the obvious solution is to expand to `let _: ! = ..`, but I decided against this because, when a "mismatched type" error is found in typeck, there is no way to trace where in the HIR the expected type originated, AFAICT. In order to pass down this information, I believe we should introduce `Expectation::LetElseNever(HirId)` or maybe add `HirId` to `Expectation::HasType`, but I left that as a future enhancement. For now, I simply assert that the block is `!` with a custom `ObligationCauseCode`, and I think this is clear enough, at least to start. The downside here is that the error points at the entire block rather than the specific expression with the wrong type. I left a todo to this effect.
Overall, I believe this PR is feature-complete with regard to the RFC.
Issue Details:
In some cases it is necessary to generate an "allocator shim" to forward various Rust allocation functions (e.g., `__rust_alloc`) to an underlying function (e.g., `malloc`). However, since this allocator shim is a manually created LLVM module it is not processed via the normal module processing code and so no debug info is generated for it (if debugging info is enabled).
Fix Details:
* Modify the `debuginfo` code to allow creating debug info for a module without a `CodegenCx` (since it is difficult, and expensive, to create one just to emit some debug info).
* After creating the allocator shim add in basic debug info.
Concrete regions can show up in mir borrowck if the originated from there
We used to not encounter them here, because we took regions from typeck's opaque type resolution by renumbering them. We don't do that anymore. Instead mir borrock does all the logic, and it can handle concrete regions just fine, as long as it created them itself.
fixes#83190 which was introduced by #87287
r? `@spastorino`
