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Add AST support for unsafe binders
I'm splitting up #130514 into pieces. It's impossible for me to keep up with a huge PR like that. I'll land type system support for this next, probably w/o MIR lowering, which will come later.
r? `@oli-obk`
cc `@BoxyUwU` and `@lcnr` who also may want to look at this, though this PR doesn't do too much yet
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estebank:silence-resolve-errors-from-mod-with-parse-errors, r=davidtwco
Keep track of parse errors in `mod`s and don't emit resolve errors for paths involving them
When we expand a `mod foo;` and parse `foo.rs`, we now track whether that file had an unrecovered parse error that reached the end of the file. If so, we keep that information around in the HIR and mark its `DefId` in the `Resolver`. When resolving a path like `foo::bar`, we do not emit any errors for "`bar` not found in `foo`", as we know that the parse error might have caused `bar` to not be parsed and accounted for.
When this happens in an existing project, every path referencing `foo` would be an irrelevant compile error. Instead, we now skip emitting anything until `foo.rs` is fixed. Tellingly enough, we didn't have any test for errors caused by expansion of `mod`s with parse errors.
Fix https://github.com/rust-lang/rust/issues/97734.
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Move impl constness into impl trait header
This PR is kind of the opposite of the rejected https://github.com/rust-lang/rust/pull/134114
Instead of moving more things into the `constness` query, we want to keep them where their corresponding hir nodes are lowered. So I gave this a spin for impls, which have an obvious place to be (the impl trait header). And surprisingly it's also a perf improvement (likely just slightly better query & cache usage).
The issue was that removing anything from the `constness` query makes it just return `NotConst`, which is wrong. So I had to change it to `bug!` out if used wrongly, and only then remove the impl blocks from the `constness` query. I think this change is good in general, because it makes using `constness` more robust (as can be seen by how few sites that had to be changed, so it was almost solely used specifically for the purpose of asking for functions' constness). The main thing where this change was not great was in clippy, which was using the `constness` query as a general DefId -> constness map. I added a `DefKind` filter in front of that. If it becomes a more common pattern we can always move that helper into rustc.
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It is treated as a map already. This is using FxIndexMap rather than
UnordMap because the latter doesn't provide an api to pick a single
value iff all values are equal, which each_linked_rlib depends on.
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It only exists to pass some information from one part of the driver to
another part. We can directly pass this information to the function that
needs it to reduce the amount of mutation of the Session.
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minor: Fix a few typos
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Show expansion errors in expand_macro feature
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internal: Do not require a special env var to be set for the proc-macro-srv
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We don't need `NonNull::as_ptr` debuginfo
In order to stop pessimizing the use of local variables in core, skip debug info for MIR temporaries in tiny (single-BB) functions.
For functions as simple as this -- `Pin::new`, etc -- nobody every actually wants debuginfo for them in the first place. They're more like intrinsics than real functions, and stepping over them is good.
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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span rendering
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Consider comments and bare delimiters the same as an "empty line" for purposes of hiding rendered code output of long multispans. This results in more aggressive shortening of rendered output without losing too much context, specially in `*.stderr` tests that have "hidden" comments.
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Bump to the latest wasi-sdk-25 release which brings in various wasi-libc
updates as well as LLVM 19 as the version used to compile wasi-libc.
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rustdoc: fix self cmp
Looks like condition in `filter` currently always `true`, but intended to compare with `fqp` from `if let Some(&(ref fqp, item_type))`?
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Revert "bootstrap: print{ln}! -> eprint{ln}! (take 2) #134040"
Unfortunately, #134040 is proving to have caused more output interleaving problems that are tricky to diagnose and fix, and I think we probably should leave these untouched as bootstrap and compiletest has a bunch of interconnecting parts, and the commands and tools that they exercise do not consistently use stderr/stdout either. This causes hard-to-diagnose output interleaving bugs, which unfortunately degrades contributor experience.
This PR reverts two PRs in order to cleanly revert #134040:
1. Revert #134123 which is a fix-forward after #134040.
2. Revert #134040 itself.
I don't regret the initial effort `@clubby789,` and thank you for making the attempts, but I think we need to refrain from touching too many of these at once because some of the interleaving are very non-obvious and we don't have test coverage for.
r? `@clubby789`
cc `@Zalathar`
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Bump Fuchsia
try-job: x86_64-fuchsia
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internal: Implement `naked_asm!` builtin
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fix: Panic when displaying generic params with defaults, again
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Corrected the spelling of "defererence" to "dereference" in the error message that informs users about invalid casting requirements.
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internal: Drop proc-macro server support for ~1.66.0 and older toolchains
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feat: Add an assist to extract an expression into a constant
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