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We raised our LLVM minimum to 15, so these tests seem pointless.
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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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Change LLVM BOLT flags
I talked to the BOLT maintainers about the binary size effect of BOLT. Currently, BOLTing LLVM increases its binary size from ~120 MiB to ~170 MiB, which is not ideal. Now we can track both runtime performance and (rustc, LLVM, ...) artifact sizes in perf.RLO, so I'd like to try experimenting with changing the flags to reduce `libLLVM.so` size without regressing the performance gains of BOLT too much.
r? `@ghost`
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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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doc: replace wrong punctuation mark
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btree/map.rs: remove "Basic usage" text
Not useful, for there is just a single example
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r=workingjubilee
Fix issue_15149 test for the SGX target
PR https://github.com/rust-lang/rust/pull/112390 moved tests to std. Unfortunately, this caused the `issue_15149` test to be enabled for the SGX target. This is incorrect as the SGX target does not support the `env::current_exe()` call.
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r=workingjubilee
Fix switch-stdout test for none unix/windows platforms
PR #112390 moved tests to std. Unfortunately, there is a typo which causes issues on platforms other than unix and windows.
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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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Prevent people from assigning me as a PR reviewer
depends on https://github.com/rust-lang/triagebot/pull/1712
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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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Implement generic const items
This implements generic parameters and where-clauses on free and associated const items under the experimental feature gate `generic_const_items`. See rust-lang/lang-team#214.
Tracking issue: #113521.
Fixes #104400.
This PR doesn't include rustfmt support as per [nightly style procedure](https://github.com/rust-lang/style-team/blob/master/nightly-style-procedure.md) and it doesn't add rustdoc JSON support (see [related Zulip topic](https://rust-lang.zulipchat.com/#narrow/stream/266220-rustdoc/topic/Rustdoc.20JSON.3A.20Experimental.20rustc.20features)).
CC `@scottmcm` `@compiler-errors` `@WalterSmuts`
r? `@oli-obk`
<details><summary>Resolved Questions</summary>
* Q: Should `const ADD<const N: usize, const M: usize>: usize = N + M; ADD::<0, 1>` trigger the error *generic parameters may not be used in const operations* (which can be unlocked with `#![feature(generic_const_exprs)]`). Currently it doesn't. Or does this fall under [this paragraph](https://github.com/rust-lang/rust/blob/71f71a5397c42fec01f5c1045c638d961fa9f7ca/compiler/rustc_resolve/src/late.rs#L191)?
* A: No, https://github.com/rust-lang/rust/pull/113522#issuecomment-1628634092
* Q: Should `const UNUSED: () = () where String: Copy;` (with `#![feature(trivial_bounds)]` and with `UNUSED` unused) succeed compilation? Currently it doesn't: *evaluation of constant value failed // entering unreachable code*
* A: Yes, but postponed until stabilization (latest), https://github.com/rust-lang/rust/pull/113522#issuecomment-1628634092
</details>
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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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Replace a lazy `RefCell<Option<T>>` with `OnceCell<T>`
This code was using `RefCell<Option<T>>` to manually implement lazy initialization. Now that we have `OnceCell` in the standard library, we can just use that instead.
In particular, this avoids a confusing doubly-nested option, because the value being lazily computed is itself an `Option<Symbol>`.
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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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When flushing delayed span bugs, write to the ICE dump file even if it doesn't exist
Fix #113881.
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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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ci: update ubuntu:20.04 builders to 22.04
This is mostly just maintenance to avoid bitrotting, but 22.04 also updates to cmake 3.22, so they don't need the manual builds from #113714 anymore.
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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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Optimize `TokenKind::clone`.
`TokenKind` would impl `Copy` if it weren't for
`TokenKind::Interpolated`. This commit makes `clone` reflect that.
r? `@ghost`
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