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2023-07-30Merge from rustcThe Miri Conjob Bot-4937/+2311
2023-07-30Preparing for merge from rustcThe Miri Conjob Bot-1/+1
2023-07-29add tidy check for stray rustfix filesasquared31415-1/+1
2023-07-30Rollup merge of #114129 - GuillaumeGomez:rustdoc-cleanup, r=notriddleMatthias Krüger-109/+123
Rustdoc small cleanups Each commit does some little cleanups: * We had some `Res` comparisons in multiple places (and still do, but unless we use a macro, it's not possible to "merge" any further) so I moved it into a function. * It was weird to have some utils function used everywhere in `visit_ast` so I instead moved it into `clean/utils.rs`. * In HTML rendering, we had some write "issues": * Multiple calls that could be merged into one. * Some `write!` that could be `write_str`. * We didn't use the new `format!` args much. r? `@notriddle`
2023-07-29Auto merge of #114211 - RalfJung:miri, r=RalfJungbors-233/+336
update Miri r? `@ghost`
2023-07-29Auto merge of #2993 - Vanille-N:tb-protector, r=RalfJungbors-151/+264
TB: Redefine trigger condition for protectors The Coq formalization revealed that as currently implemented, read accesses did not always commute. Indeed starting from a lazily initialized `Active` protected tag, applying a foreign read then a child read produces `Frozen`, but child read then foreign read triggers UB (because the child read initializes _before_ the `Active -> Frozen`). This reformulation of when protectors trigger fixes that issue: - instead of `Active + foreign read -> Frozen` and `Active -> Frozen` when protected is UB - we do `Active + foreign read -> if protected { Disabled } else { Frozen }` There is already precedent for transitions being dependent on the presence of a protector (`Reserved + foreign read -> if protected { Frozen } else { Reserved }`), and this has the nice side-effect of simplifying the protector trigger condition to just an equality check against `Disabled` since now there is protector UB iff a protected tag becomes `Disabled`. In order not to introduce an extra `if`, it was decided that `Disabled -> Disabled` would be UB when protected, which was not the case previously. This is merely a theoretical for now because a protected `Disabled` is unreachable in the first place. The extra test is not directly related to this modification, but also checks things related to protectors and lazy initialization.
2023-07-29doc comment suggestionsNeven Villani-25/+57
2023-07-29Add wasm32-wasi-threads target + WASI threadsGeorgii Rylov-7/+183
2023-07-29fix(ci): Ensure idempotence of user creationsethp-1/+1
Previously, re-running `run.sh` in the same container would fail at the useradd step, because the user already exists. Instead, change that step to "create if not exists" semantics to ease interactive debugging of CI failures. Split out from https://github.com/rust-lang/rust/pull/111891 per request by @jackh726
2023-07-29Auto merge of #114148 - cuviper:drop-llvm-14, r=nikicbors-98/+11
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.
2023-07-29Group `write` calls when possible and use new format argsGuillaume Gomez-76/+84
2023-07-29Move `inherits_doc_hidden` and `should_ignore_res` into `clean/utils.rs`Guillaume Gomez-37/+38
2023-07-29Move Res check into `should_ignore_res`Guillaume Gomez-3/+8
2023-07-29print omitted frames count for short backtrace modeyukang-1/+1
2023-07-29Adjust some tests for invalid_reference_casting improvementsUrgau-0/+4
2023-07-29Fix test output.Mara Bos-2/+4
2023-07-29Change default panic handler message format.Mara Bos-47/+94
2023-07-29Auto merge of #114141 - Kobzol:llvm-bolt-flags, r=lqdbors-0/+2
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`
2023-07-29Auto merge of #113422 - Urgau:cast_ref_to_mut-pre-beta, r=Nilstriebbors-8/+8
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`
2023-07-29Auto merge of #114197 - matthiaskrgr:rollup-iluf7u4, r=matthiaskrgrbors-0/+5
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
2023-07-29Rollup merge of #113773 - compiler-errors:err-layout-bail, r=cjgillotMatthias Krüger-0/+5
Don't attempt to compute layout of type referencing error Leads to more ICEs and strange diagnostics than are worth it. Fixes #113760
2023-07-29Auto merge of #111916 - fee1-dead-contrib:noop-method-call-warn, ↵bors-13/+15
r=compiler-errors make `noop_method_call` warn by default r? `@compiler-errors`
2023-07-29Update lexer emoji diagnostics to Unicode 15.0Charles Lew-5/+1
2023-07-28Add UI tests for generic const itemsLeón Orell Valerian Liehr-1/+1
2023-07-28Render generic const items in rustdocLeón Orell Valerian Liehr-69/+116
2023-07-28Make Clippy understand generic const itemsLeón Orell Valerian Liehr-7/+15
2023-07-28Lower generic const items to HIRLeón Orell Valerian Liehr-1/+2
2023-07-28Auto merge of #113931 - cuviper:ci-ubuntu-22.04, r=Mark-Simulacrumbors-264/+493
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.
2023-07-28exract a perform_access, check read-read commutation exhaustivelyNeven Villani-100/+193
2023-07-28Auto merge of #111780 - weiznich:diagnostic_namespace, r=petrochenkovbors-1/+1
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.
2023-07-28Change LLVM BOLT flagsJakub Beránek-0/+2
2023-07-28Introduce the `#[diagnostic]` attribute namespaceGeorg Semmler-1/+1
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>
2023-07-28tidy: add exclusion for platform dependent cfg for miniz_oxide, as it hack ↵klensy-0/+1
itself
2023-07-28remove addr2line from tidy list. Why?klensy-1/+0
2023-07-28Auto merge of #114134 - fee1-dead-contrib:rm-constness-from-param-env, r=oli-obkbors-35/+37
Remove `constness` from `ParamEnv` This should be replaced by keyword generics/effects. cc #110395 r? `@oli-obk`
2023-07-28Auto merge of #114154 - calebcartwright:style-match-mac, r=joshtriplettbors-1/+6
style-guide: don't flatten match arms with macro call This pulls forward the gist of the text that was added to the style guide in https://github.com/rust-lang/style-team/pull/159 to account for needing to tweak/soften rustfmt's behavior based on the style guide prescriptions. There were a few options I considered, noted below, and although I don't particularly love any of them, I felt this was the lesser of the evils. r? `@joshtriplett`
2023-07-28Auto merge of #97571 - ehuss:symbol-mangling, r=michaelwoeristerbors-2/+1283
Add documentation on v0 symbol mangling. This adds official documentation for the v0 symbol mangling format, migrating the documentation from [RFC 2603](https://rust-lang.github.io/rfcs/2603-rust-symbol-name-mangling-v0.html). The format was originally stabilized as the `-C symbol-mangling-version` option, but the specifics were not stabilized (per https://github.com/rust-lang/rust/pull/90128#issuecomment-948569123). Per the discussion at https://github.com/rust-lang/rust/pull/93661#discussion_r799783363 this adds those specifics as an official description of the format. cc #89917
2023-07-27docs(style-guide): don't flatten match arms with macro callCaleb Cartwright-1/+6
2023-07-28Auto merge of #114115 - nnethercote:less-token-tree-cloning, r=petrochenkovbors-14/+14
Less `TokenTree` cloning `TokenTreeCursor` has this comment on it: ``` // FIXME: Many uses of this can be replaced with by-reference iterator to avoid clones. ``` This PR completes that FIXME. It doesn't have much perf effect, but at least we now know that. r? `@petrochenkov`
2023-07-28Auto merge of #114115 - nnethercote:less-token-tree-cloning, r=petrochenkovbors-19/+19
Less `TokenTree` cloning `TokenTreeCursor` has this comment on it: ``` // FIXME: Many uses of this can be replaced with by-reference iterator to avoid clones. ``` This PR completes that FIXME. It doesn't have much perf effect, but at least we now know that. r? `@petrochenkov`
2023-07-27Handle `dyn*` syntax when rewriting `ast::TyKind::TraitObject`Yacin Tmimi-8/+6
Resolves 5542 Prior to rust-lang/rust#101212 the `ast::TraitObjectSyntax` enum only had two variants `Dyn` and `None`. The PR that introduced the `dyn*` syntax added a new variant `DynStar`, but did not update the formatting rules to account for the new variant. Now the new `DynStar` variant is properly handled and is no longer removed by rustfmt.
2023-07-27Auto merge of #114144 - workingjubilee:rollup-jkmtgdo, r=workingjubileebors-4333/+17
Rollup of 4 pull requests Successful merges: - #97571 (Add documentation on v0 symbol mangling.) - #114122 (tests/ui/hello_world/main.rs: Remove FIXME (#62277)) - #114133 (Revert "add tidy check that forbids issue ui test filenames") - #114139 (Make `--print` with path unstable) r? `@ghost` `@rustbot` modify labels: rollup
2023-07-27Update the minimum external LLVM to 15Josh Stone-98/+11
2023-07-27Rollup merge of #114139 - Urgau:make-print-with-path-unstable, r=jackh726Jubilee-4/+11
Make `--print` with path unstable https://github.com/rust-lang/rust/pull/113780 should have gone through an MCP+FCP but wasn't, but instead of reverting the original PR, this PR just make that new option unstable. [Zulip discussion](https://rust-lang.zulipchat.com/#narrow/stream/238009-t-compiler.2Fmeetings/topic/.5Bweekly.5D.202023-07-27/near/379199738) cc `@dtolnay`
2023-07-27Rollup merge of #114133 - workingjubilee:revert-add-tidy-check-issue-12345, ↵Jubilee-4329/+6
r=jackh726 Revert "add tidy check that forbids issue ui test filenames" This reverts commit 13e2abf6b388762af2e97ce065d6206961264a8f. Reverting because an MCP was requested and it turned out there was a lack of a consensus on what to do in this area.
2023-07-27Format exploit mitigations documentationRamon de C Valle-177/+161
Formats lines in the exploit mitigations documentation to be at maximum 80 characters long.
2023-07-27Auto merge of #113779 - Kobzol:try-build-no-lto, r=Mark-Simulacrumbors-1/+31
Build the first LLVM without LTO in try builds Currently, we perform three LLVM builds in the Linux x64 dist builder, which is used for `try` builds: 1) "Normal" LLVM - takes ~5s to compile thanks to `sccache`, but ~8 minutes to link because of ThinLTO 2) PGO instrumented LLVM - same timings as 1) 3) PGO optimized LLVM - takes about 20 minutes to build When I tried to disable LTO for build 1), it suddenly takes only about a minute to build, because the linking step is much faster. The first LLVM doesn't really need LTO all that much. Without it, it will be a bit slower to build `rustc` in two subsequent steps, but it seems that the ~7 minutes saved on linking it do win that back. Btw, we can't use the host LLVM for build 1), because this LLVM then builds `rustc` in PGO instrumented mode, and we need the same compiler when later PGO optimizing `rustc`. And we want to use our in-house LLVM for that I think.
2023-07-27Fix aksama templateMichael Goulet-0/+5
2023-07-27bless clippyDeadbeef-33/+36
2023-07-27Auto merge of #113298 - tgross35:update-bless-envs, r=oli-obkbors-30/+21
Unite bless environment variables under `RUST_BLESS` Currently, Clippy and Miri both use an environment variable to indicate that output should be blessed, but they use different variable names. In order to improve consistency, this patch applies the following changes: - Rename the variable `MIRI_BLESS` (as used in the Miri subtree) to `RUST_BLESS` - Rename the variable `BLESS` (as used in the Clippy subtree) to `RUST_BLESS` - Move emitting `RUST_BLESS` into `prepare_cargo_test` so it is always available (I need this for a WIP PR) --- I prefer something like `RUST_BLESS` to `BLESS` just for a lower chance of conflict (not super common but other tools [do use `BLESS`](https://grep.app/search?q=%22BLESS%22&case=true&words=true&filter[lang][0]=Text&filter[lang][1]=Rust&filter[lang][2]=Python&filter[lang][3]=C%2B%2B&filter[lang][4]=Markdown&filter[lang][5]=C&filter[lang][6]=JSON)), but I can change it to whatever is preferred. Original discussion: https://rust-lang.zulipchat.com/#narrow/stream/257328-clippy/topic/BLESS.20env.20var.3A.20rename.20to.20CLIPPY_BLESS r? `@oli-obk` cc `@flip1995`
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