Auto merge of #64864 - Centril:rollup-pxz6tw3, r=Centril
Rollup of 14 pull requests
Successful merges:
- #64703 (Docs: slice elements are equidistant)
- #64745 (Include message on tests that should panic but do not)
- #64781 (Remove stray references to the old global tcx)
- #64794 (Remove unused DepTrackingMap)
- #64802 (Account for tail expressions when pointing at return type)
- #64809 (hir: Disallow `target_feature` on constants)
- #64815 (Fix div_duration() marked as stable by mistake)
- #64818 (update rtpSpawn's parameters type(It's prototype has been updated in libc))
- #64830 (Thou shallt not `.abort_if_errors()`)
- #64836 (Stabilize map_get_key_value feature)
- #64845 (pin.rs: fix links to primitives in documentation)
- #64847 (Upgrade env_logger to 0.7)
- #64851 (Add mailmap entry for Dustin Bensing by request)
- #64859 (check_match: improve diagnostics for `let A = 2;` with `const A: i32 = 3`)
Rollup merge of #64859 - Centril:const-def-here-new-var, r=estebank
check_match: improve diagnostics for `let A = 2;` with `const A: i32 = 3`
For example:
```
error[E0005]: refutable pattern in local binding: `std::i32::MIN..=1i32` and `3i32..=std::i32::MAX` not covered
--> $DIR/const-pat-non-exaustive-let-new-var.rs:2:9
|
LL | let A = 3;
| ^
| |
| interpreted as a constant pattern, not a new variable
| help: introduce a variable instead: `a_var`
...
LL | const A: i32 = 2;
| ----------------- constant defined here
```
Rollup merge of #64809 - davidtwco:issue-64768-target-feature-const, r=varkor
hir: Disallow `target_feature` on constants
Fixes #64768.
This PR fixes an ICE when `#[target_feature]` is applied to constants by disallowing this with the same error as when `#[target_feature]` is applied to other places it shouldn't be.
I couldn't see anything in the [RFC](https://github.com/rust-lang/rfcs/blob/master/text/2045-target-feature.md) that suggested that `#[target_feature]` should be applicable to constants or any tests that suggested it should, though I might have missed something - if this is desirable in future, it remains possible to remove this error (but for the time being, I think this error is better than an ICE).
I also added some extra cases to the test for other places where `#[target_feature]` should not be permitted.
Rollup merge of #64802 - estebank:walk-parents-iterator, r=matthewjasper
Account for tail expressions when pointing at return type
When there's a type mismatch we make an effort to check if it was
caused by a function's return type. This logic now makes sure to
only point at the return type if the error happens in a tail
expression.
Rollup merge of #64703 - llogiq:slices-elems-are-equidistant, r=rkruppe
Docs: slice elements are equidistant
Recently, someone asked why `[char]` and `str` are not interchangeable, and I explained that in a slice, the elements must be laid out equidistantly, whereas the chars in a `str` are stored compactly regardless their size. However I couldn't find this documented anywhere, so here's a small addition of this fact.
Auto merge of #64790 - Centril:rip-ast-borrowck, r=matthewjasper
Rest In Peace, AST borrowck (2012-2019)
After having served us for 7 years, the AST borrow-checker is no more.
This PR starts from the commit `rm -rf librustc_ast_borrowck`, building on https://github.com/rust-lang/rust/pull/64221, and is probably best read commit by commit.
Migrate mode is not removed yet as it may be useful for NLL => polonius and it is also used for the `mutable_borrow_reservation_conflict` issue (https://github.com/rust-lang/rust/issues/59159).
Mark Rousskov [Wed, 25 Sep 2019 20:40:24 +0000 (16:40 -0400)]
Remove shrink_to_tcx_lifetime
There's no longer two distinct gcx and tcx lifetimes which made this
necessary (or, at least, the code compiles -- it's possible we got
better at normalizing, but that seems unlikely).
Changes:
````
Remove clippy::author attribute from trailing_zeroes test
Move author issue test to author subdir
Fix author lint
Rustup to rust-lang/rust#64813
Refactor `booleans`
Detect assignment ops in integer_arithmetic
````
Changes:
````
Remove clippy::author attribute from trailing_zeroes test
Move author issue test to author subdir
Fix author lint
Rustup to rust-lang/rust#64813
Refactor `booleans`
Detect assignment ops in integer_arithmetic
````
Account for tail expressions when pointing at return type
When there's a type mismatch we make an effort to check if it was
caused by a function's return type. This logic now makes sure to
only point at the return type if the error happens in a tail
expression.
Auto merge of #64813 - varkor:node-to-kind, r=Centril
Rename `*.node` to `*.kind`, and `hair::Pattern*` to `hair::Pat*`
In both `ast::Expr` and `hir::Expr`:
- Rename `Expr.node` to `Expr.kind`.
- Rename `Pat.node` to `Pat.kind`.
- Rename `ImplItem.node` to `ImplItem.kind`.
- Rename `Lit.node` to `Lit.kind`.
- Rename `TraitItem.node` to `TraitItem.kind`.
- Rename `Ty.node` to `Ty.kind`.
- Rename `Stmt.node` to `Stmt.kind`.
- Rename `Item.node` to `Item.kind`.
- Rename `ForeignItem.node` to `ForeignItem.kind`.
- Rename `MetaItem.node` to `MetaItem.kind`.
Also:
- Rename `hair::FieldPattern` to `hair::FieldPat`.
- Rename `hair::PatternKind` to `hair::PatKind`.
- Rename `hair::PatternRange` to `hair::PatRange`.
- Rename `PatternContext` to `PatCtxt`.
- Rename `PatternTypeProjection` to `PatTyProj`.
- Rename `hair::Pattern` to `hair::Pat`.
These two sets of changes are grouped together to aid with merging. The only changes are renamings.
Rollup merge of #64787 - tmandry:fuchsia-exitstatus, r=cramertj
Fix ExitStatus on Fuchsia
Fuchsia exit codes don't follow the convention of libc::WEXITSTATUS et
al, and they are 64 bits instead of 32 bits. This gives Fuchsia its own
representation of ExitStatus.
Additionally, the zircon syscall structs were out of date, causing us to
see bogus exit codes.
Based on issue #64732, when creating a byte literal with single quotes,
the suggestion message would indicate that you meant to write a `str` literal,
but we actually meant to write a byte string literal.
So I changed the unescape_error_reporting.rs to decide whether to print out
"if you meant to write a `str` literal, use double quotes",
or "if you meant to write a byte string literal, use double quotes".
Rollup merge of #64772 - Mark-Simulacrum:no-tyctxt-tx, r=eddyb
Remove tx_to_llvm_workers from TyCtxt
This can be kept within the codegen backend crates entirely -- there's no reason for us to create it outside and attempt to hold it in the (global) context.
Changes here aren't really too easily reviewable I suspect -- not sure if they can be cleaned up by splitting into more commits though, it's just hard to reason about `Box<Any>` in general. If there are thoughts though I'd be happy to hear them.
The primary goal of this PR is to get rid of the field on `rustc_interface::Queries`.
Rollup merge of #64221 - Centril:nll-no-migrate-2015, r=matthewjasper
Rust 2015: No longer downgrade NLL errors
As per decision on a language team meeting as described in https://github.com/rust-lang/rust/pull/63565#issuecomment-528563744, in Rust 2015, we refuse to downgrade NLL errors, that AST borrowck accepts, into warnings and keep them as hard errors.
The remaining work to throw out AST borrowck and adjust some tests still remains after this PR.
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