Automatic Rustup #3241
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Automatic Rustup #3241
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Also add some `dcx` methods to types that wrap `TyCtxt`, for easier access.
…d, r=cjgillot Unify SourceFile::name_hash and StableSourceFileId This PR adapts the existing `StableSourceFileId` type so that it can be used instead of the `name_hash` field of `SourceFile`. This simplifies a few things that were kind of duplicated before. The PR should also fix issues rust-lang/rust#112700 and rust-lang/rust#115835, but I was not able to reproduce these issues in a regression test. As far as I can tell, the root cause of these issues is that the id of the originating crate is not hashed in the `HashStable` impl of `Span` and thus cache entries that should have been considered invalidated were loaded. After this PR, the `stable_id` field of `SourceFile` includes information about the originating crate, so that ICE should not occur anymore.
Fix display of warning block if it is first element of the top doc block It fixes the display of the warning block "i" element in case it is the first element:  It now looks like this:  The update for the `browser-ui-test` framework is because it didn't detect correctly pseudo elements if they ended with a digit or a dash. r? `@notriddle`
Give temporaries in if let guards correct scopes
Temporaries in if-let guards have scopes that escape the match arm, this causes problems because the drops might be for temporaries that are not storage live. This PR changes the scope of temporaries in if-let guards to be limited to the arm:
```rust
_ if let Some(s) = std::convert::identity(&Some(String::new())) => {}
// Temporary for Some(String::new()) is dropped here ^
```
We also now deduplicate temporaries between copies of the guard created for or-patterns:
```rust
// Only create a single Some(String::new()) temporary variable
_ | _ if let Some(s) = std::convert::identity(&Some(String::new())) => {}
```
This changes MIR building to pass around `ExprId`s rather than `Expr`s so that we have a way to index different expressions.
cc #51114
Closes #116079
Improve coding efficiency for RawDefId This copies the scheme already used for LazyArray, cutting a couple hundred kilobytes from libcore's metadata.
make soft_unstable show up in future breakage reports If we want to break these in the future, let's warn users of affected crates.
…mpiler-errors Remove `DiagCtxt` API duplication `DiagCtxt` defines the internal API for creating and emitting diagnostics: methods like `struct_err`, `struct_span_warn`, `note`, `create_fatal`, `emit_bug`. There are over 50 methods. Some of these methods are then duplicated across several other types: `Session`, `ParseSess`, `Parser`, `ExtCtxt`, and `MirBorrowckCtxt`. `Session` duplicates the most, though half the ones it does are unused. Each duplicated method just calls forward to the corresponding method in `DiagCtxt`. So this duplication exists to (in the best case) shorten chains like `ecx.tcx.sess.parse_sess.dcx.emit_err()` to `ecx.emit_err()`. This API duplication is ugly and has been bugging me for a while. And it's inconsistent: there's no real logic about which methods are duplicated, and the use of `#[rustc_lint_diagnostic]` and `#[track_caller]` attributes vary across the duplicates. This PR removes the duplicated API methods and makes all diagnostic creation and emission go through `DiagCtxt`. It also adds `dcx` getter methods to several types to shorten chains. This approach scales *much* better than API duplication; indeed, the PR adds `dcx()` to numerous types that didn't have API duplication: `TyCtxt`, `LoweringCtxt`, `ConstCx`, `FnCtxt`, `TypeErrCtxt`, `InferCtxt`, `CrateLoader`, `CheckAttrVisitor`, and `Resolver`. These result in a lot of changes from `foo.tcx.sess.emit_err()` to `foo.dcx().emit_err()`. (You could do this with more types, but it gets into diminishing returns territory for types that don't emit many diagnostics.) After all these changes, some call sites are more verbose, some are less verbose, and many are the same. The total number of lines is reduced, mostly because of the removed API duplication. And consistency is increased, because calls to `emit_err` and friends are always preceded with `.dcx()` or `.dcx`. r? `@compiler-errors`
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@bors r+ |
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☀️ Test successful - checks-actions |
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