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Fix simd_bswap for i8/u8
#114156 missed this test case ☹️
cc `@workingjubilee`
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r=spastorino
Don't install default projection bound for return-position `impl Trait` in trait methods with no body
This ensures that we never try to project to an opaque type in a trait method that has no body to infer its hidden type, which means we never later call `type_of` on that opaque. This is because opaque types try to reveal their hidden type when proving auto traits.
I thought about this a lot, and I think this is a fix that's less likely to introduce other strange downstream ICEs than #113461.
Fixes #113434
r? `@spastorino`
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Print omitted frames count for short backtrace mode
Fixes #111730
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Fix invalid suggestion for mismatched types in closure arguments
This PR fixes the invalid suggestion for mismatched types in closure arguments.
The invalid suggestion came from a wrongly created span in the parser for closure arguments that don't have a type specified. Specifically, the span in this case was the last token span, but in the case of tuples, the span represented the last parenthesis instead of the whole tuple, which is fixed by taking the more accurate span of the pattern.
There is one unfortunate downside of this fix, it worsens even more the diagnostic for mismatched types in closure args without an explicit type. This happens because there is no correct span for implied inferred type. I tried also fixing this but it's a rabbit hole.
Fixes https://github.com/rust-lang/rust/issues/114180
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Weaken unnameable_types lint
`unnameable_types` lint is no longer emitted for
- associated types
- internal types
r? ``@petrochenkov``
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`const`-stablilize `NonNull::as_ref`
A bunch of pointer to reference methods have been made unstably const some time ago in #91823 under the feature gate `const_ptr_as_ref`.
Out of these, `NonNull::as_ref` can be implemented as a `const fn` in stable rust today, so i hereby propose to const stabilize this function only.
Tracking issue: #91822
``@rustbot`` label +T-libs-api -T-libs
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The invalid suggestion came from a wrongly created span in `rustc_parse'
for closure arguments that didn't have a type specified. Specifically,
the span in this case was the last token span, but in the case of
tuples, the span represented the last parenthesis instead of the whole
tuple, which is fixed by taking the more accurate span of the pattern.
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Make `--error-format human-annotate-rs` handle multiple files
Closes #64205 which is E-help-wanted
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Effects: don't print `host` param in diagnostics
r? ``@oli-obk``
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Rollup of 3 pull requests
Successful merges:
- #114129 (Rustdoc small cleanups)
- #114152 ([rustc][data_structures] Simplify binary_search_slice.)
- #114222 (Mark `lazy_type_alias` as incomplete)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=oli-obk
Mark `lazy_type_alias` as incomplete
This feature is very not complete: https://github.com/rust-lang/rust/issues?q=is%3Aissue+is%3Aopen+label%3AF-lazy_type_alias
r? types
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Add simd_bswap, simd_bitreverse, simd_ctlz, and simd_cttz intrinsics
cc `@workingjubilee`
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Gracefully handle ternary operator
Fixes #112578
~~May not be the best way to do this as it doesn't check for a single `:`, so it could perhaps appear even when the actual issue is just a missing semicolon. May not be the biggest deal, though?~~
Nevermind, got it working properly now ^^
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Update the minimum external LLVM to 15
With this change, we'll have stable support for LLVM 15 through 17 (pending release).
For reference, the previous increase to LLVM 14 was #107573.
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Refactor + improve diagnostics for `&mut T`/`T` mismatch inside Option/Result
Follow up to #114052. This also makes the diagnostics structured + translatable.
r? `@WaffleLapkin`
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Rename and allow `cast_ref_to_mut` lint
This PR is a small subset of https://github.com/rust-lang/rust/pull/112431, that is the renaming of the lint (`cast_ref_to_mut` -> `invalid_reference_casting`).
BUT also temporarily change the default level of the lint from deny-by-default to allow-by-default until https://github.com/rust-lang/rust/pull/112431 is merged.
r? `@Nilstrieb`
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fix(resolve): update the ambiguity glob binding as warning recursively
Fixes #47525
Fixes #56593, but `issue-56593-2.rs` is not fixed to ensure backward compatibility.
Fixes #98467
Fixes #105235
Fixes #112713
This PR had added a field called `warn_ambiguous` in `NameBinding` which is only for back compatibly reason and used for lint.
More details: https://github.com/rust-lang/rust/pull/112743
r? `@petrochenkov`
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Rollup of 7 pull requests
Successful merges:
- #113773 (Don't attempt to compute layout of type referencing error)
- #114107 (Prevent people from assigning me as a PR reviewer)
- #114124 (tests/ui/proc-macro/*: Migrate FIXMEs to check-pass)
- #114171 (Fix switch-stdout test for none unix/windows platforms)
- #114172 (Fix issue_15149 test for the SGX target)
- #114173 (btree/map.rs: remove "Basic usage" text)
- #114174 (doc: replace wrong punctuation mark)
r? `@ghost`
`@rustbot` modify labels: rollup
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tests/ui/proc-macro/*: Migrate FIXMEs to check-pass
proc-macros are processed early in the compiler pipeline. There is no need to involve codegen. So change to check-pass.
I have also looked through each changed test and to me it is sufficiently clear that codegen is not needed for the purpose of the test.
I skipped changing `tests/ui/proc-macro/no-missing-docs.rs` in this commit because it was not clear to me that it can be changed to check-pass.
Part of #62277
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Don't attempt to compute layout of type referencing error
Leads to more ICEs and strange diagnostics than are worth it.
Fixes #113760
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r=compiler-errors
make `noop_method_call` warn by default
r? `@compiler-errors`
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Rollup of 7 pull requests
Successful merges:
- #114099 (privacy: no nominal visibility for assoc fns )
- #114128 (When flushing delayed span bugs, write to the ICE dump file even if it doesn't exist)
- #114138 (Adjust spans correctly for fn -> method suggestion)
- #114146 (Skip reporting item name when checking RPITIT GAT's associated type bounds hold)
- #114147 (Insert RPITITs that were shadowed by missing ADTs that resolve to [type error])
- #114155 (Replace a lazy `RefCell<Option<T>>` with `OnceCell<T>`)
- #114164 (Add regression test for `--cap-lints allow` and trait bounds warning)
r? `@ghost`
`@rustbot` modify labels: rollup
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Add regression test for `--cap-lints allow` and trait bounds warning
Closes #43134
I have verified that the test fails if stderr begins to contain output by making sure the test fails when I add
eprintln!("some output on stderr");
to the compiler (I added it to `fn build_session()`).
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Insert RPITITs that were shadowed by missing ADTs that resolve to [type error]
Comment inline explains how this can happen.
Fixes #113903
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Skip reporting item name when checking RPITIT GAT's associated type bounds hold
Doesn't really make sense to label an item that has a name that users can't really mention. Fixes #114145. Also fixes #113794.
r? `@spastorino`
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r=estebank
Adjust spans correctly for fn -> method suggestion
Fixes #114131
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davidtwco:issue-113860-staged-api-effective-vis-gt-nominal-vis-when-trait-method-vis, r=petrochenkov
privacy: no nominal visibility for assoc fns
Fixes #113860.
When `staged_api` is enabled, effective visibilities are computed earlier and this can trigger an ICE in some cases.
In particular, if a impl of a trait method has a visibility then an error will be reported for that, but when privacy invariants are being checked, the effective visibility will still be greater than the nominal visbility and that will trigger a `span_bug!`.
However, this invariant - that effective visibilites are limited to nominal visibility - doesn't make sense for associated functions.
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Diagnostic namespace
This PR implements the basic infrastructure for accepting the `#[diagnostic]` attribute tool namespace as specified in https://github.com/rust-lang/rfcs/pull/3368. Note: This RFC is not merged yet, but it seems like it will be accepted soon. I open this PR early on to get feedback on the actual implementation as soon as possible. This hopefully enables getting at least the diagnostic namespace to stable rust "soon", so that crates do not need to bump their MSRV if we stabilize actual attributes in this namespace.
This PR only adds infrastructure accept attributes from this namespace, it does not add any specific attribute. Therefore the compiler will emit a lint warning for each attribute that's actually used. This namespace is added behind a feature flag, so it will be only available on a nightly compiler for now.
cc `@estebank` as they've supported me in planing, specifying and implementing this feature.
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When `staged_api` is enabled, effective visibilities are computed earlier
and this can trigger an ICE in some cases.
In particular, if a impl of a trait method has a visibility then an error
will be reported for that, but when privacy invariants are being checked,
the effective visibility will still be greater than the nominal visbility
and that will trigger a `span_bug!`.
However, this invariant - that effective visibilites are limited to
nominal visibility - doesn't make sense for associated functions.
Signed-off-by: David Wood <david@davidtw.co>
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Co-authored-by: est31 <est31@users.noreply.github.com>
Co-authored-by: Esteban Kuber <estebank@users.noreply.github.com>
Co-authored-by: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
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discard default auto trait impls if explicit ones exist (rebase of #85048)
Rebase of #85048
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I have verified that the test fails if stderr begins to contain output
by making sure the test fails when I add
eprintln!("some output on stderr");
to the compiler (I added it to `fn build_session()`).
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Remove `constness` from `ParamEnv`
This should be replaced by keyword generics/effects. cc #110395
r? `@oli-obk`
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r=workingjubilee
Move two tests from `tests/ui/std` to `library/std/tests`
Hi, there,
This pull request comes from this issue (#99417), sorry I made some mistakes creating the pull request, it's my first one.
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