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Author SHA1 Message Date
reez12g
a1999b76aa Mark ignore(illustrative) on docs in compiler/rustc_ast_lowering/src/expr.rs 2022-09-29 16:49:13 +09:00
reez12g
9a4c5abe45 Remove from compiler/ crates 2022-09-29 16:49:04 +09:00
Camille GILLOT
337a73da6e Do not overwrite binders for another HirId. 2022-09-27 18:58:37 +02:00
Pietro Albini
3975d55d98
remove cfg(bootstrap) 2022-09-26 10:14:45 +02:00
Michael Goulet
e99f6fee44 Only lower async fn body if it actually has a body 2022-09-25 23:03:15 +00:00
Takayuki Maeda
8fe936099a separate definitions and HIR owners 
fix a ui test

use `into`

fix clippy ui test

fix a run-make-fulldeps test

implement `IntoQueryParam<DefId>` for `OwnerId`

use `OwnerId` for more queries

change the type of `ParentOwnerIterator::Item` to `(OwnerId, OwnerNode)`
 2022-09-24 23:21:19 +09:00
bors
4d44e09cb1 Auto merge of #102165 - matthiaskrgr:rollup-n5oquhe, r=matthiaskrgr 
Rollup of 8 pull requests

Successful merges:

 - #100734 (Split out async_fn_in_trait into a separate feature)
 - #101664 (Note if mismatched types have a similar name)
 - #101815 (Migrated the rustc_passes annotation without effect diagnostic infrastructure)
 - #102042 (Distribute rust-docs-json via rustup.)
 - #102066 (rustdoc: remove unnecessary `max-width` on headers)
 - #102095 (Deduplicate two functions that would soon have been three)
 - #102104 (Set 'exec-env:RUST_BACKTRACE=0' in const-eval-select tests)
 - #102112 (Allow full relro on powerpc64-unknown-linux-gnu)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
 2022-09-23 09:33:23 +00:00
khyperia
9a206a78eb Improve the help message for an invalid calling convention 2022-09-22 22:18:30 +02:00
Dan Johnson
d0a07495be Split out async_fn_in_trait into a separate feature 
PR #101224 added support for async fn in trait desuraging behind the
return_position_impl_trait_in_trait feature.

Split this out so that it's behind its own feature gate, since async fn
in trait doesn't need to follow the same stabilization schedule.
 2022-09-21 19:26:23 -07:00
Jhonny Bill Mena
e52e2344dc FIX - adopt new Diagnostic naming in newly migrated modules 
FIX - ambiguous Diagnostic link in docs

UPDATE - rename diagnostic_items to IntoDiagnostic and AddToDiagnostic

[Gardening] FIX - formatting via `x fmt`

FIX - rebase conflicts. NOTE: Confirm wheather or not we want to handle TargetDataLayoutErrorsWrapper this way

DELETE - unneeded allow attributes in Handler method

FIX - broken test

FIX - Rebase conflict

UPDATE - rename residual _SessionDiagnostic and fix LintDiag link
 2022-09-21 11:43:22 -04:00
Jhonny Bill Mena
5f91719f75 UPDATE - rename SessionSubdiagnostic macro to Subdiagnostic 
Also renames:
- sym::AddSubdiagnostic to sym:: Subdiagnostic
- rustc_diagnostic_item = "AddSubdiagnostic" to rustc_diagnostic_item = "Subdiagnostic"
 2022-09-21 11:39:53 -04:00
Jhonny Bill Mena
a3396b2070 UPDATE - rename DiagnosticHandler macro to Diagnostic 2022-09-21 11:39:53 -04:00
Jhonny Bill Mena
191fac6826 UPDATE - rename AddSubdiagnostic trait to AddToDiagnostic 2022-09-21 11:39:53 -04:00
Jhonny Bill Mena
19b348fed4 UPDATE - rename DiagnosticHandler trait to IntoDiagnostic 2022-09-21 11:39:52 -04:00
Santiago Pastorino
550bd0945f
Simplify rpitit handling on lower_fn_decl 2022-09-19 09:30:39 -03:00
Dylan DPC
3ad81e0dd8
Rollup merge of #93628 - est31:stabilize_let_else, r=joshtriplett 
Stabilize `let else`

🎉  **Stabilizes the `let else` feature, added by [RFC 3137](https://github.com/rust-lang/rfcs/pull/3137).** 🎉

Reference PR: https://github.com/rust-lang/reference/pull/1156

closes #87335 (`let else` tracking issue)

FCP: https://github.com/rust-lang/rust/pull/93628#issuecomment-1029383585

----------

## Stabilization report

### Summary

The feature allows refutable patterns in `let` statements if the expression is
followed by a diverging `else`:

```Rust
fn get_count_item(s: &str) -> (u64, &str) {
    let mut it = s.split(' ');
    let (Some(count_str), Some(item)) = (it.next(), it.next()) else {
        panic!("Can't segment count item pair: '{s}'");
    };
    let Ok(count) = u64::from_str(count_str) else {
        panic!("Can't parse integer: '{count_str}'");
    };
    (count, item)
}
assert_eq!(get_count_item("3 chairs"), (3, "chairs"));
```

### Differences from the RFC / Desugaring

Outside of desugaring I'm not aware of any differences between the implementation and the RFC. The chosen desugaring has been changed from the RFC's [original](https://rust-lang.github.io/rfcs/3137-let-else.html#reference-level-explanations). You can read a detailed discussion of the implementation history of it in `@cormacrelf` 's [summary](https://github.com/rust-lang/rust/pull/93628#issuecomment-1041143670) in this thread, as well as the [followup](https://github.com/rust-lang/rust/pull/93628#issuecomment-1046598419). Since that followup, further changes have happened to the desugaring, in #98574, #99518, #99954. The later changes were mostly about the drop order: On match, temporaries drop in the same order as they would for a `let` declaration. On mismatch, temporaries drop before the `else` block.

### Test cases

In chronological order as they were merged.

Added by df9a2e0687895731e12f4a2651e8d70acd08872d (#87688):

* [`ui/pattern/usefulness/top-level-alternation.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/pattern/usefulness/top-level-alternation.rs) to ensure the unreachable pattern lint visits patterns inside `let else`.

Added by 5b95df4bdc330f34213812ad65cae86ced90d80c (#87688):

* [`ui/let-else/let-else-bool-binop-init.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-bool-binop-init.rs) to ensure that no lazy boolean expressions (using `&&` or `||`) are allowed in the expression, as the RFC mandates.
* [`ui/let-else/let-else-brace-before-else.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-brace-before-else.rs) to ensure that no `}` directly preceding the `else` is allowed in the expression, as the RFC mandates.
* [`ui/let-else/let-else-check.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-check.rs) to ensure that `#[allow(...)]` attributes added to the entire `let` statement apply for the `else` block.
* [`ui/let-else/let-else-irrefutable.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-irrefutable.rs) to ensure that the `irrefutable_let_patterns` lint fires.
* [`ui/let-else/let-else-missing-semicolon.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-missing-semicolon.rs) to ensure the presence of semicolons at the end of the `let` statement.
* [`ui/let-else/let-else-non-diverging.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-non-diverging.rs) to ensure the `else` block diverges.
* [`ui/let-else/let-else-run-pass.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-run-pass.rs) to ensure the feature works in some simple test case settings.
* [`ui/let-else/let-else-scope.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-scope.rs) to ensure the bindings created by the outer `let` expression are not available in the `else` block of it.

Added by bf7c32a4477a76bfd18fdcd8f45a939cbed82d34 (#89965):

* [`ui/let-else/issue-89960.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/issue-89960.rs) as a regression test for the ICE-on-error bug #89960 . Later in 102b9125e1cefbb8ed8408d2db3f9f7d5afddbf0 this got removed in favour of more comprehensive tests.

Added by 856541963ce95ef4f7d4a81784bb5002ccf63c93 (#89974):

* [`ui/let-else/let-else-if.rs`](https://github.com/rust-lang/rust/blob/1.58.1/src/test/ui/let-else/let-else-if.rs) to test for the improved error message that points out that `let else if` is not possible.

Added by 9b45713b6c1775f0103a1ebee6ab7c6d9b781a21:

* [`ui/let-else/let-else-allow-unused.rs`](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-allow-unused.rs) as a regression test for #89807, to ensure that `#[allow(...)]` attributes added to the entire `let` statement apply for bindings created by the `let else` pattern.

Added by 61bcd8d3075471b3867428788c49f54fffe53f52 (#89841):

* [`ui/let-else/let-else-non-copy.rs`](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-non-copy.rs) to ensure that a copy is performed out of non-copy wrapper types. This mirrors `if let` behaviour. The test case bases on rustc internal changes originally meant for #89933 but then removed from the PR due to the error prior to the improvements of #89841.
* [`ui/let-else/let-else-source-expr-nomove-pass.rs `](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-source-expr-nomove-pass.rs) to ensure that while there is a move of the binding in the successful case, the `else` case can still access the non-matching value. This mirrors `if let` behaviour.

Added by 102b9125e1cefbb8ed8408d2db3f9f7d5afddbf0 (#89841):

* [`ui/let-else/let-else-ref-bindings.rs`](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-ref-bindings.rs) and [`ui/let-else/let-else-ref-bindings-pass.rs `](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-ref-bindings-pass.rs) to check `ref` and `ref mut` keywords in the pattern work correctly and error when needed.

Added by 2715c5f984fda7faa156d1c9cf91aa4934f0e00f (#89841):

* Match ergonomic tests adapted from the `rfc2005` test suite.

Added by fec8a507a27de1b08a0b95592dc8ec93bf0a321a (#89841):

* [`ui/let-else/let-else-deref-coercion-annotated.rs`](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-deref-coercion-annotated.rs) and [`ui/let-else/let-else-deref-coercion.rs`](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-deref-coercion.rs) to check deref coercions.

#### Added since this stabilization report was originally written (2022-02-09)

Added by 76ea56667703ac06689ff1d6fba5d170fa7392a7 (#94211):

* [`ui/let-else/let-else-destructuring.rs`](https://github.com/rust-lang/rust/blob/1.63.0/src/test/ui/let-else/let-else-destructuring.rs) to give a nice error message if an user tries to do an assignment with a (possibly refutable) pattern and an `else` block, like asked for in #93995.

Added by e7730dcb7eb29a10ee73f269f4dc6e9d606db0da (#94208):

* [`ui/let-else/let-else-allow-in-expr.rs`](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-allow-in-expr.rs) to test whether `#[allow(unused_variables)]` works in the expr, as well as its non presence, as well as putting it on the entire `let else` *affects* the expr, too. This was adding a missing test as pointed out by the stabilization report.
* Expansion of `ui/let-else/let-else-allow-unused.rs` and `ui/let-else/let-else-check.rs` to ensure that non-presence of `#[allow(unused)]` does issue the unused lint. This was adding a missing test case as pointed out by the stabilization report.

Added by 5bd71063b3810d977aa376d1e6dd7cec359330cc (#94208):

* [`ui/let-else/let-else-slicing-error.rs`](https://github.com/rust-lang/rust/blob/1.61.0/src/test/ui/let-else/let-else-slicing-error.rs), a regression test for #92069, which got fixed without addition of a regression test. This resolves a missing test as pointed out by the stabilization report.

Added by 5374688e1d8cbcff7d1d14bb34e38fe6fe7c233e (#98574):

* [`src/test/ui/async-await/async-await-let-else.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/async-await/async-await-let-else.rs) to test the interaction of async/await with `let else`

Added by 6c529ded8674b89c46052da92399227c3b764c6a (#98574):

* [`src/test/ui/let-else/let-else-temporary-lifetime.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/let-else-temporary-lifetime.rs) as a (partial) regression test for #98672

Added by 9b566401068cb8450912f6ab48f3d0e60f5cb482 (#99518):

* [`src/test/ui/let-else/let-else-temp-borrowck.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/let-else-temporary-lifetime.rs) as a regression test for #93951
* Extension of `src/test/ui/let-else/let-else-temporary-lifetime.rs` to include a partial regression test for #98672 (especially regarding `else` drop order)

Added by baf9a7cb57120ec1411196214fd0d1c33fb18bf6 (#99518):

* Extension of `src/test/ui/let-else/let-else-temporary-lifetime.rs` to include a partial regression test for #93951, similar to `let-else-temp-borrowck.rs`

Added by 60be2de8b7b8a1c4eee7e065b8cef38ea629a6a3 (#99518):

* Extension of `src/test/ui/let-else/let-else-temporary-lifetime.rs` to include a program that can now be compiled thanks to borrow checker implications of #99518

Added by 47a7a91c969ed2edd12c674ca05c1baf867f6f6f (#100132):

* [`src/test/ui/let-else/issue-100103.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/issue-100103.rs), as a regression test for #100103, to ensure that there is no ICE when doing `Err(...)?` inside else blocks.

Added by e3c5bd617d040b5ee0bc79e6e7f01772adce791b (#100443):

* [`src/test/ui/let-else/let-else-then-diverge.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/let-else-then-diverge.rs), to verify that there is no unreachable code error with the current desugaring.

Added by 981852677c531d52f701b870bb27b45668a44d52 (#100443):

* [`src/test/ui/let-else/issue-94176.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/issue-94176.rs), to make sure that a correct span is emitted for a missing trailing expression error. Regression test for #94176.

Added by e182d12a8493b40a557394325a3a713b6528de60 (#100434):

* [src/test/ui/unpretty/pretty-let-else.rs](https://github.com/rust-lang/rust/blob/master/src/test/ui/unpretty/pretty-let-else.rs), as a regression test to ensure pretty printing works for `let else` (this bug surfaced in many different ways)

Added by e26285603ca8b83b9d06e56f74e10e3d410553ff (#99954):

* [`src/test/ui/let-else/let-else-temporary-lifetime.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/let-else-temporary-lifetime.rs) extended to contain & borrows as well, as this was identified as an earlier issue with the desugaring: https://github.com/rust-lang/rust/issues/98672#issuecomment-1200196921

Added by 2d8460ef43d902f34ba2133fe38f66ee8d2fdafc (#99291):

* [`src/test/ui/let-else/let-else-drop-order.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/let-else-drop-order.rs) a matrix based test for various drop order behaviour of `let else`. Especially, it verifies equality of `let` and `let else` drop orders, [resolving](https://github.com/rust-lang/rust/pull/93628#issuecomment-1238498468) a [stabilization blocker](https://github.com/rust-lang/rust/pull/93628#issuecomment-1055738523).

Added by 1b87ce0d4092045728c1c68282769d555706f273 (#101410):

* Edit to `src/test/ui/let-else/let-else-temporary-lifetime.rs` to add the `-Zvalidate-mir` flag, as a regression test for #99228

Added by af591ebe4d0cf2097a5fdc0bb710442d0f2e7876 (#101410):

* [`src/test/ui/let-else/issue-99975.rs`](https://github.com/rust-lang/rust/blob/master/src/test/ui/let-else/issue-99975.rs) as a regression test for the ICE #99975.

Added by this PR:

* `ui/let-else/let-else.rs`, a simple run-pass check, similar to `ui/let-else/let-else-run-pass.rs`.

### Things not currently tested

* ~~The `#[allow(...)]` tests check whether allow works, but they don't check whether the non-presence of allow causes a lint to fire.~~ → *test added by e7730dcb7eb29a10ee73f269f4dc6e9d606db0da*
* ~~There is no `#[allow(...)]` test for the expression, as there are tests for the pattern and the else block.~~ → *test added by e7730dcb7eb29a10ee73f269f4dc6e9d606db0da*
* ~~`let-else-brace-before-else.rs` forbids the `let ... = {} else {}` pattern and there is a rustfix to obtain `let ... = ({}) else {}`. I'm not sure whether the `.fixed` files are checked by the tooling that they compile. But if there is no such check, it would be neat to make sure that `let ... = ({}) else {}` compiles.~~ → *test added by e7730dcb7eb29a10ee73f269f4dc6e9d606db0da*
* ~~#92069 got closed as fixed, but no regression test was added. Not sure it's worth to add one.~~ → *test added by 5bd71063b3810d977aa376d1e6dd7cec359330cc*
* ~~consistency between `let else` and `if let` regarding lifetimes and drop order: https://github.com/rust-lang/rust/pull/93628#issuecomment-1055738523~~ → *test added by 2d8460ef43d902f34ba2133fe38f66ee8d2fdafc*

Edit: they are all tested now.

### Possible future work / Refutable destructuring assignments

[RFC 2909](https://rust-lang.github.io/rfcs/2909-destructuring-assignment.html) specifies destructuring assignment, allowing statements like `FooBar { a, b, c } = foo();`.
As it was stabilized, destructuring assignment only allows *irrefutable* patterns, which before the advent of `let else` were the only patterns that `let` supported.
So the combination of `let else` and destructuring assignments gives reason to think about extensions of the destructuring assignments feature that allow refutable patterns, discussed in #93995.

A naive mapping of `let else` to destructuring assignments in the form of `Some(v) = foo() else { ... };` might not be the ideal way. `let else` needs a diverging `else` clause as it introduces new bindings, while assignments have a default behaviour to fall back to if the pattern does not match, in the form of not performing the assignment. Thus, there is no good case to require divergence, or even an `else` clause at all, beyond the need for having *some* introducer syntax so that it is clear to readers that the assignment is not a given (enums and structs look similar). There are better candidates for introducer syntax however than an empty `else {}` clause, like `maybe` which could be added as a keyword on an edition boundary:

```Rust
let mut v = 0;
maybe Some(v) = foo(&v);
maybe Some(v) = foo(&v) else { bar() };
```

Further design discussion is left to an RFC, or the linked issue.
 2022-09-17 15:31:06 +05:30
Guillaume Gomez
8ba133fa7b
Rollup merge of #101825 - spastorino:fix-rpit-changes, r=oli-obk 
Fix back RPIT changes

r? `@oli-obk`

cc `@compiler-errors`
 2022-09-16 13:07:17 +02:00
est31
173eb6f407 Only enable the let_else feature on bootstrap 
On later stages, the feature is already stable.

Result of running:

rg -l "feature.let_else" compiler/ src/librustdoc/ library/ | xargs sed -s -i "s#\\[feature.let_else#\\[cfg_attr\\(bootstrap, feature\\(let_else\\)#"
 2022-09-15 21:06:45 +02:00
est31
bca3cf7e86 Stabilize the let_else feature 2022-09-15 21:06:45 +02:00
bors
750bd1a7ff Auto merge of #101313 - SparrowLii:mk_attr_id, r=cjgillot 
make `mk_attr_id` part of `ParseSess`

Updates #48685

The current `mk_attr_id` uses the `AtomicU32` type, which is not very efficient and adds a lot of lock contention in a parallel environment.

This PR refers to the task list in #48685, uses `mk_attr_id` as a method of the `AttrIdGenerator` struct, and adds a new field `attr_id_generator` to `ParseSess`.

`AttrIdGenerator` uses the `WorkerLocal`, which has two advantages: 1. `Cell` is more efficient than `AtomicU32`, and does not increase any lock contention. 2. We put the index of the work thread in the first few bits of the generated `AttrId`, so that the `AttrId` generated in different threads can be easily guaranteed to be unique.

cc `@cjgillot`
 2022-09-14 20:52:18 +00:00
Santiago Pastorino
45d8049387
Get rid of 'b lifetime in lower_param_bounds_mut 2022-09-14 17:40:51 -03:00
Santiago Pastorino
861055094c
Pass ImplTraitContext as &, there's no need for that to be &mut 2022-09-14 17:39:52 -03:00
Santiago Pastorino
669f2d4550
Revert "Rollup merge of #101496 - spastorino:lower_lifetime_binder_api_changes, r=oli-obk" 
This reverts commit 953a6b3da7016d41816951ad0930922f558c16d0, reversing
changes made to b5ffbd32d4838a460a73ce9aa106a4e1856e52c0.
 2022-09-14 17:26:37 -03:00
bors
a0d1df4a5d Auto merge of #101709 - nnethercote:simplify-visitors-more, r=cjgillot 
Simplify visitors more

A successor to #100392.

r? `@cjgillot`
 2022-09-14 05:21:14 +00:00
SparrowLii
1a3ecbdb6a make mk_attr_id part of ParseSess 2022-09-14 08:49:10 +08:00
Lukas Markeffsky
2b7fb8d941 Impove diagnostic for .await-ing non-futures 2022-09-12 16:54:25 +02:00
Nicholas Nethercote
925363f13d Remove unused span argument from walk_fn. 2022-09-12 13:24:27 +10:00
Nicholas Nethercote
6568ef338e Remove path_span argument to the visit_path_segment methods. 
The `visit_path_segment` method of both the AST and HIR visitors has a
`path_span` argument that isn't necessary. This commit removes it.

There are two very small and inconsequential functional changes.

- One call to `NodeCollector::insert` now is passed a path segment
  identifier span instead of a full path span. This span is only used in
a panic message printed in the case of an internal compiler bug.

- Likewise, one call to `LifetimeCollectVisitor::record_elided_anchor`
  now uses a path segment identifier span instead of a full path span.
  This span is used to make some `'_` lifetimes.
 2022-09-12 13:24:25 +10:00
bors
fa521a4691 Auto merge of #101688 - cjgillot:verify-hir-parent, r=petrochenkov 
Assert that HIR nodes are not their own parent.

Fixes https://github.com/rust-lang/rust/issues/101505.
Replaces #101513

r? `@petrochenkov` `@nnethercote`
 2022-09-12 00:41:56 +00:00
Camille GILLOT
51f486931f Assert that HIR nodes are not their own parent. 2022-09-11 20:12:51 +02:00
Michael Goulet
ec170bef0d Rebase fallout 2022-09-09 01:31:46 +00:00
Michael Goulet
526511e86b Appease clippy again 2022-09-09 01:31:46 +00:00
Michael Goulet
55df9201fe Tweak feature error, add test 2022-09-09 01:31:46 +00:00
Camille GILLOT
05812df603 Handle generic parameters. 2022-09-09 01:31:46 +00:00
Michael Goulet
cdf78073c5 Deeply check that method signatures match, and allow for nested RPITITs 2022-09-09 01:31:46 +00:00
Michael Goulet
1f03edeabe Bless tests, fix ICE with ImplTraitPlaceholder 2022-09-09 01:31:45 +00:00
Michael Goulet
70775304cd Address nits 2022-09-09 01:31:45 +00:00
Michael Goulet
249ede4195 Address rebase issues, make async fn in trait work 2022-09-09 01:31:45 +00:00
Michael Goulet
5be30f9d79 Make async fn in traits work 2022-09-09 01:31:45 +00:00
Michael Goulet
d34cb98fb0 Lower RPITIT to ImplTraitPlaceholder item 2022-09-09 01:31:44 +00:00
Michael Goulet
1499c089df
Rollup merge of #101499 - spastorino:add-lowering-arena, r=oli-obk 
Introduce lowering_arena to avoid creating AST nodes on the fly

`@oli-obk` requested this and other changes as a way of simplifying https://github.com/rust-lang/rust/pull/101345. This is just going to make the diff of https://github.com/rust-lang/rust/pull/101345 smaller.

r? `@oli-obk` `@cjgillot`
 2022-09-08 14:41:08 -07:00
Santiago Pastorino
d9a1faaa9c
Introduce lowering_arena to avoid creating AST nodes on the fly 2022-09-08 13:34:55 -03:00
bors
87788097b7 Auto merge of #101577 - Dylan-DPC:rollup-l9xw7i7, r=Dylan-DPC 
Rollup of 7 pull requests

Successful merges:

 - #98933 (Opaque types' generic params do not imply anything about their hidden type's lifetimes)
 - #101041 (translations(rustc_session): migrates rustc_session to use SessionDiagnostic - Pt. 2)
 - #101424 (Adjust and slightly generalize operator error suggestion)
 - #101496 (Allow lower_lifetime_binder receive a closure)
 - #101501 (Allow lint passes to be bound by `TyCtxt`)
 - #101515 (Recover from typo where == is used in place of =)
 - #101545 (Remove unnecessary `PartialOrd` and `Ord`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
 2022-09-08 15:53:14 +00:00
Dylan DPC
953a6b3da7
Rollup merge of #101496 - spastorino:lower_lifetime_binder_api_changes, r=oli-obk 
Allow lower_lifetime_binder receive a closure

``@oli-obk`` requested this and other changes as a way of simplifying https://github.com/rust-lang/rust/pull/101345. This is just going to make the diff of https://github.com/rust-lang/rust/pull/101345 smaller.

r? ``@oli-obk`` ``@cjgillot``
 2022-09-08 20:48:36 +05:30
Nicholas Nethercote
e67f39f8bc Introduce DotDotPos. 
This shrinks `hir::Pat` from 88 to 72 bytes.
 2022-09-08 15:25:50 +10:00
Nicholas Nethercote
4314615ff8 Arena-allocate hir::Lifetime. 
This shrinks `hir::Ty` from 72 to 48 bytes.

`visit_lifetime` is added to the HIR stats collector because these types
are now stored in memory on their own, instead of being within other
types.
 2022-09-08 15:07:19 +10:00
Santiago Pastorino
36fa12f1a4
Allow lower_lifetime_binder receive a closure 2022-09-07 18:01:01 -03:00
Matthias Krüger
0a1c816dcd
Rollup merge of #101503 - spastorino:add-debug-calls, r=compiler-errors 
Add debug calls

`@oli-obk` requested this and other changes as a way of simplifying https://github.com/rust-lang/rust/pull/101345. This is just going to make the diff of https://github.com/rust-lang/rust/pull/101345 smaller.

r? `@oli-obk` `@cjgillot`
 2022-09-07 21:48:16 +02:00
Matthias Krüger
9361297dfc
Rollup merge of #101493 - spastorino:borrow-mut-impl-trait-context, r=oli-obk 
Pass ImplTraitContext as &mut to avoid the need of ImplTraitContext::reborrow

`@oli-obk` requested this and other changes as a way of simplifying #101345. This is just going to make the diff of #101345 smaller.

r? `@oli-obk` `@cjgillot`
 2022-09-07 21:48:14 +02:00
Santiago Pastorino
e3a738a942
Add instrument and debug calls 2022-09-07 10:46:14 -03:00