Rollup of 9 pull requests #122040
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Rollup of 9 pull requests #122040
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Unnamed union fields with enums are checked for, but if `find_field` causes an ICE then the compiler won't get to that point. Signed-off-by: David Wood <[email protected]>
Signed-off-by: David Wood <[email protected]>
…types_defined_by` Instead, when we're collecting opaques for associated items, we choose the right collection mode depending on whether we're collecting for an associated item of a trait impl or not.
… r=pnkfelix Limit the number of names and values in check-cfg diagnostics The Rust for Linux [feedback](rust-lang#82450 (comment)) to the check-cfg Call for Testing, revealed a weakness in the check-cfg. They are unbounded and in the case RfL they have ~20k cfgs and having them printed (even once) is unbearable. This PR limits it to 35 (28 rustc well known + `feature` + `docsrs` + 5 custom) which feels like a good middle ground for regular users (i.e. Cargo users). When it goes over that limit print the N first with " and X more". `@rustbot` label +F-check-cfg
…r=pnkfelix errors: share `SilentEmitter` between rustc and rustfmt Fixes rust-lang/rustfmt#6082. Shares the `SilentEmitter` between rustc and rustfmt, and gives it a fallback bundle (since it can emit diagnostics in some contexts).
…li-obk
Hint user to update nightly on ICEs produced from outdated nightly
This is a conservative best-effort approach to detect a potentially outdated nightly; it will fallback to the regular ICE-reporting if any of the following cases are true:
- Channel is not nightly
- Version information is not available
- Version date is not parseable as a YYYY-MM-DD or is missing
- System time is at least 36 hours ahead of the user's nightly release datetime.
- Any internal features are used.
Note that I'm not sure how to make a test for this: I tested this manually by `CFG_VER_DATE="2020-02-02" ./x build library --stage 1`, and also changing the channel detection in `rustc_driver_impl` from `Some("nightly")` to `Some("nightly" | "dev")`, and then running `rustc +stage1 test.rs -Ztreat-err-as-bug=1` with a non-existent `test.rs`.
<img width="1145" alt="Screenshot 2024-02-27 at 01 12 28" src="https://github.com/rust-lang/rust/assets/39484203/eff6af2e-4b19-4a70-af57-cd739ecf0e84">
Closes rust-lang#118832.
only compare ambiguity item that have hard error Fixes rust-lang#121760 An easy fix, r? `@petrochenkov`
…ochenkov add test for rust-lang#78894 rust-lang#71450 fixes rust-lang#78894 fixes rust-lang#71450
…nkov hir_analysis: enums return `None` in `find_field` Fixes rust-lang#121757. Unnamed union fields with enums are checked for, but if `find_field` causes an ICE then the compiler won't get to that point.
…th, r=bjorn3
Fix duplicated path in the "not found dylib" error
While working on the gcc backend, I couldn't figure out why I had this error:
```
error: couldn't load codegen backend /checkout/compiler/rustc_codegen_gcc/target/release/librustc_codegen_gcc.so/checkout/compiler/rustc_codegen_gcc/target/release/librustc_codegen_gcc.so: cannot open shared object file: No such file or directory
```
As you can see, the path is duplicated for some reason. After investigating a bit more, I realized that `libloading::Error::LoadLibraryExW` starts with the path of the not found dylib, making it appear twice in our error afterward (because we do render it like this: `{path}{err}`, and since the `err` starts with the path...).
Thanks to ````@bjorn3```` for linking me to rust-lang#121392. :)
…_by_queries, r=compiler-errors Merge impl_trait_in_assoc_types_defined_by query back into `opaque_types_defined_by` Instead, when we're collecting opaques for associated items, we choose the right collection mode depending on whether we're collecting for an associated item of a trait impl or not. r? ``@compiler-errors`` follow up to rust-lang#121838
rustbot
added
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@bors r+ rollup=never p=9 |
bors
added
S-waiting-on-bors
…ute to inner type.
…, r=oli-obk Move generic `NonZero` `rustc_layout_scalar_valid_range_start` attribute to inner type. Tracking issue: rust-lang#120257 r? `@dtolnay`
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Successful merges:
SilentEmitterbetween rustc and rustfmt #121301 (errors: shareSilentEmitterbetween rustc and rustfmt)NonZerorustc_layout_scalar_valid_range_startattribute to inner type. #121885 (Move genericNonZerorustc_layout_scalar_valid_range_startattribute to inner type.)unused_importlint firing for a function-localmacro_rules!#78894 False positive unused_import warning on std::string::String #71450)Noneinfind_field#121975 (hir_analysis: enums returnNoneinfind_field)opaque_types_defined_by#121991 (Merge impl_trait_in_assoc_types_defined_by query back intoopaque_types_defined_by)r? @ghost
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