Michael Goulet [Wed, 10 Aug 2022 16:28:18 +0000 (09:28 -0700)]
Rollup merge of #100286 - Thog:rust-lld-macosx-target, r=petrochenkov
Add support for link-flavor rust-lld for macOS
Also refactor iOS, watchOS and tvOS common code.
The ``-arch`` argument was moved to the ``apple_base`` module instead of the target definitions for macOS.
As ld64 requires ``-syslibroot`` to be passed, ``add_apple_sdk`` was modified accordingly.
bors [Wed, 10 Aug 2022 06:09:10 +0000 (06:09 +0000)]
Auto merge of #100356 - matthiaskrgr:rollup-he0vkjc, r=matthiaskrgr
Rollup of 8 pull requests
Successful merges:
- #99573 (Stabilize backtrace)
- #100069 (Add error if link_ordinal used with unsupported link kind)
- #100086 (Add more `// unit-test`s to MIR opt tests)
- #100332 (Rename integer log* methods to ilog*)
- #100334 (Suggest a missing semicolon before an array)
- #100340 (Iterate generics_def_id_map in reverse order to fix P-critical issue)
- #100345 (docs: remove repetition in `is_numeric` function docs)
- #100352 (Update cargo)
Matthias Krüger [Wed, 10 Aug 2022 05:21:40 +0000 (07:21 +0200)]
Rollup merge of #100352 - ehuss:update-cargo, r=ehuss
Update cargo
7 commits in 4fd148c47e733770c537efac5220744945d572ef..ce40690a5e4e315d3dab0aae1eae69d0252c52ac
2022-08-03 15:03:52 +0000 to 2022-08-09 22:32:17 +0000
- Make the `rust-version` error recommend `cargo update --precise -p crate@ver` (rust-lang/cargo#10891)
- resolver docs: link to version requirements syntax full explanation (rust-lang/cargo#10946)
- Bump os_info to 3.5.0 (rust-lang/cargo#10943)
- Mark --timings=html unstable in the document (rust-lang/cargo#10941)
- Mention that aliases are recursive (rust-lang/cargo#10935)
- Test if reserved filenames are allowed in Windows (rust-lang/cargo#10322)
- improve error message for `no such subcommand` (rust-lang/cargo#10924)
Matthias Krüger [Wed, 10 Aug 2022 05:21:39 +0000 (07:21 +0200)]
Rollup merge of #100345 - vincenzopalazzo:macros/is_number_doc, r=joshtriplett
docs: remove repetition in `is_numeric` function docs
In https://github.com/rust-lang/rust/pull/99628 we introduce new docs for the `is_numeric` function, and this is a follow-up PR that removes some unnecessary repetition that may be introduced by some rebasing.
Matthias Krüger [Wed, 10 Aug 2022 05:21:35 +0000 (07:21 +0200)]
Rollup merge of #100086 - JakobDegen:better-tests, r=wesleyweiser
Add more `// unit-test`s to MIR opt tests
I only changed things which are hopefully completely uninteresting. I plan to submit more PRs that cover more files, but those cases will need some more complicated (and hence possibly controversial) changes, so I'll try and submit those in reasonably sized batches.
Matthias Krüger [Wed, 10 Aug 2022 05:21:33 +0000 (07:21 +0200)]
Rollup merge of #99573 - tbodt:stabilize-backtrace, r=yaahc
Stabilize backtrace
This PR stabilizes the std::backtrace module. As of #99431, the std::Error::backtrace item has been removed, and so the rest of the backtrace feature is set to be stabilized.
Previous discussion can be found in #72981, #3156.
bors [Wed, 10 Aug 2022 03:21:23 +0000 (03:21 +0000)]
Auto merge of #100346 - matthiaskrgr:rollup-6rljn4p, r=matthiaskrgr
Rollup of 14 pull requests
Successful merges:
- #98775 (rustdoc: improve scroll locking in the rustdoc mobile sidebars)
- #99479 (rustdoc-json: Remove doc FIXME for Import::id and explain)
- #100040 (Error on broken pipe but do not backtrace or ICE)
- #100072 (linker-plugin-lto.md: Correct the name of example c file)
- #100098 (Some "this expression has a field"-related fixes)
- #100226 (Do not manually craft a span pointing inside a multibyte character.)
- #100240 (Fail gracefully when const pattern is not structural match.)
- #100256 (Add some high-level docs to `FnCtxt` and `ItemCtxt`)
- #100261 (Set tainted errors bit before emitting coerce suggestions.)
- #100275 (also update anyhow in codegen_cranelift)
- #100281 (Remove more Clean trait implementations)
- #100314 (Mention `unit-test` in MIR opt test README)
- #100319 (Remove more Clean trait implementations)
- #100323 ([rustdoc] Don't render impl blocks with doc comment if they only contain private items by default)
Matthias Krüger [Tue, 9 Aug 2022 22:00:31 +0000 (00:00 +0200)]
Rollup merge of #100256 - camelid:typeck-ctxt-doc, r=compiler-errors
Add some high-level docs to `FnCtxt` and `ItemCtxt`
I haven't understood the difference between these before, but
``@compiler-errors`` helped me clear it up. Hopefully this will help other
people who've been confused!
Matthias Krüger [Tue, 9 Aug 2022 22:00:28 +0000 (00:00 +0200)]
Rollup merge of #100098 - compiler-errors:field-suggestion-fixups, r=davidtwco
Some "this expression has a field"-related fixes
Each commit does something different and is worth reviewing, but the final diff from `master..HEAD` contains the sum of the changes to the UI tests, since some commits added UI tests "regressions" which were later removed in other commits.
The only change I could see adding on top of this is suppressing `Clone::clone` from the "this expression has a field that has this method" suggestion, since it's so commonly implemented by types that it's not worthwhile suggesting in general.
Matthias Krüger [Tue, 9 Aug 2022 22:00:27 +0000 (00:00 +0200)]
Rollup merge of #100072 - oToToT:patch-1, r=michaelwoerister
linker-plugin-lto.md: Correct the name of example c file
The final output is linked with `cmain.o`, but we use `main.o` in the example.
This patch changes the name to `cmain.c` and `cmain.o` as the "C/C++ code as a dependency in Rust" section.
Matthias Krüger [Tue, 9 Aug 2022 22:00:26 +0000 (00:00 +0200)]
Rollup merge of #100040 - ChrisDenton:broken-pipe, r=davidtwco
Error on broken pipe but do not backtrace or ICE
Windows will report a broken pipe as a normal error which in turn `println!` will panic on. Currently this causes rustc to produce a backtrace and ICE. However, this is not a bug with rustc so a backtrace is overly verbose and ultimately unhelpful to the user.
Kind of fixes #98700. Although this is admittedly a bit of a hack because at panic time all we have is a string to inspect. On zulip it was suggested that libstd might someday provide a way to indicate a soft panic but that day isn't today.
Matthias Krüger [Tue, 9 Aug 2022 22:00:23 +0000 (00:00 +0200)]
Rollup merge of #98775 - notriddle:notriddle/mobile-sidebar-scroll-lock, r=jsha
rustdoc: improve scroll locking in the rustdoc mobile sidebars
This PR prevents the main content area from scrolling while the mobile sidebar is open on documentation pages (porting the scroll locking behavior from the source sidebar to the regular sidebar), and also fixes some bad behavior where opening a "mobile" sidebar, and growing the viewport so that the "desktop" mode without scroll locking is activated, could potentially leave the page stuck.
This does not affect the behavior on larger screens. Only small ones, where the sidebar covers up the main content.
bors [Tue, 9 Aug 2022 20:00:58 +0000 (20:00 +0000)]
Auto merge of #100150 - notriddle:notriddle/implementors-js, r=GuillaumeGomez
rustdoc: use a more compact encoding for implementors/trait.*.js
The exact amount that this reduces the size of an implementors file depends on whether most of the impls are synthetic or not. For `Send`, it reduces the file from 128K to 112K, while for `Clone` it went from 64K to 44K.
bors [Tue, 9 Aug 2022 16:39:43 +0000 (16:39 +0000)]
Auto merge of #99217 - lcnr:implied-bounds-pre-norm, r=lcnr
consider unnormalized types for implied bounds
extracted, and slightly modified, from #98900
The idea here is that generally, rustc is split into things which can assume its inputs are well formed[^1], and things which have verify that themselves.
Generally most predicates should only deal with well formed inputs, e.g. a `&'a &'b (): Trait` predicate should be able to assume that `'b: 'a` holds. Normalization can loosen wf requirements (see #91068) and must therefore not be used in places which still have to check well formedness. The only such place should hopefully be `WellFormed` predicates
fixes #87748 and #98543
r? `@jackh726` cc `@rust-lang/types`
[^1]: These places may still encounter non-wf inputs and have to deal with them without causing an ICE as we may check for well formedness out of order.
Dylan DPC [Tue, 9 Aug 2022 12:04:55 +0000 (17:34 +0530)]
Rollup merge of #100228 - luqmana:suggestion-ice, r=estebank
Don't ICE while suggesting updating item path.
When an item isn't found, we may suggest an appropriate import to `use`. Along with that, we also suggest updating the path to work with the `use`. Unfortunately, if the code in question originates from a macro, the span used to indicate which part of the path needs updating may not be suitable and cause an ICE (*). Since, such code is not adjustable directly by the user without modifying the macro, just skip the suggestion in such cases.
(*) The ICE happens because the emitter want to indicate to the user what code to delete by referencing a certain span. But in this case, said span has `lo == hi == 0` which means it thinks it's a dummy span. Adding a space before the proc macro attribute is enough to stop it from ICE'ing but even then the suggestion doesn't really make any sense:
```
help: if you import `DataStore`, refer to it directly
|
1 - #[dbstruct::dbstruct]
1 + #[dbstruct::dbstruct]
```
Since suggestions are best-effort, I just gated this one on `can_be_used_for_suggestions` which catches cases like this.
Dylan DPC [Tue, 9 Aug 2022 12:04:54 +0000 (17:34 +0530)]
Rollup merge of #100221 - compiler-errors:impossible-trait-items, r=lcnr,notriddle,camelid
Don't document impossible to call default trait items on impls
Closes #100176
This only skips documenting _default_ trait items on impls, not ones that are written inside the impl block. This is a conservative approach, since I think we should document all items written in an impl block (I guess unless hidden or whatever), but the existence of this new query I added makes this easy to extend to other rustdoc cases.
Dylan DPC [Tue, 9 Aug 2022 12:04:50 +0000 (17:34 +0530)]
Rollup merge of #96478 - WaffleLapkin:rustc_default_body_unstable, r=Aaron1011
Implement `#[rustc_default_body_unstable]`
This PR implements a new stability attribute — `#[rustc_default_body_unstable]`.
`#[rustc_default_body_unstable]` controls the stability of default bodies in traits.
For example:
```rust
pub trait Trait {
#[rustc_default_body_unstable(feature = "feat", isssue = "none")]
fn item() {}
}
```
In order to implement `Trait` user needs to either
- implement `item` (even though it has a default implementation)
- enable `#![feature(feat)]`
This is useful in conjunction with [`#[rustc_must_implement_one_of]`](https://github.com/rust-lang/rust/pull/92164), we may want to relax requirements for a trait, for example allowing implementing either of `PartialEq::{eq, ne}`, but do so in a safe way — making implementation of only `PartialEq::ne` unstable.
r? `@Aaron1011`
cc `@nrc` (iirc you were interested in this wrt `read_buf`), `@danielhenrymantilla` (you were interested in the related `#[rustc_must_implement_one_of]`)
P.S. This is my first time working with stability attributes, so I'm not sure if I did everything right 😅
bors [Tue, 9 Aug 2022 11:05:42 +0000 (11:05 +0000)]
Auto merge of #100089 - JakobDegen:no-invalidate-visitor, r=tmiasko
Add option to `mir::MutVisitor` to not invalidate CFG.
This also applies that option to some uses of the visitor. I had considered a design more similar to #100087 in which we detect if the CFG needs to be invalidated, but that is more difficult with the visitor API and so I decided against it. Another alternative to this design is to offer an API for "saving" and "restoring" CFG caches across arbitrary code. Such an API is more general, and so we may eventually want it anyway, but it seems overkill for this use case.
bors [Tue, 9 Aug 2022 08:03:08 +0000 (08:03 +0000)]
Auto merge of #100304 - matthiaskrgr:rollup-gs56vlw, r=matthiaskrgr
Rollup of 6 pull requests
Successful merges:
- #100163 (Refactor: remove an unnecessary string search)
- #100212 (Remove more Clean trait implementations)
- #100238 (Further improve error message for E0081)
- #100268 (Add regression test for #79148)
- #100294 (Update Duration::as_secs doc to point to as_secs_f64/32 for including fractional part)
- #100303 (:arrow_up: rust-analyzer)
Failed merges:
- #100281 (Remove more Clean trait implementations)
Bryysen [Mon, 8 Aug 2022 19:34:55 +0000 (21:34 +0200)]
Fix plural form of `variant` in error message not formatting correctly
due to ordering, added/improved comments and removed redundant test
already caught by `E0081.rs`
Noah Lev [Mon, 8 Aug 2022 02:11:47 +0000 (19:11 -0700)]
Add some high-level docs to `FnCtxt` and `ItemCtxt`
I haven't understood the difference between these before, but
`@compiler-errors` helped me clear it up. Hopefully this will help other
people who've been confused!
bors [Sun, 7 Aug 2022 21:25:29 +0000 (21:25 +0000)]
Auto merge of #100245 - matthiaskrgr:rollup-tfoo650, r=matthiaskrgr
Rollup of 6 pull requests
Successful merges:
- #100019 (Revive suggestions for boxed trait objects instead of impl Trait)
- #100038 (Document the `no-std` target option in config.toml.example)
- #100194 (Remove even more box syntax uses from src/test)
- #100206 (test: skip terminfo parsing in Miri)
- #100230 (Use start_point instead of next_point to point to elided lifetime amp…)
- #100244 (Add armv4t-none-eabi take2)
Matthias Krüger [Sun, 7 Aug 2022 19:10:27 +0000 (21:10 +0200)]
Rollup merge of #100244 - Lokathor:add-armv4t-none-eabi-take2, r=jackh726
Add armv4t-none-eabi take2
This is the same as the previous PR (https://github.com/rust-lang/rust/pull/99226) but i just made a fresh branch without a merge commit in it.
---
### armv4t-none-eabi target quiz
> A tier 3 target must have a designated developer or developers (the "target maintainers") on record to be CCed when issues arise regarding the target.
That's me!
> Targets must use naming consistent with any existing targets
We're using the existing name as recognized by LLVM and GCC
> Tier 3 targets may have unusual requirements to build or use, but must not create legal issues or impose onerous legal terms for the Rust project or for Rust developers or users.
No legal issues here.
>> The target must not introduce license incompatibilities.
No license requirements here.
>> Anything added to the Rust repository must be under the standard Rust license (MIT OR Apache-2.0).
check
>> The target must not cause the Rust tools or libraries built for any other host (even when supporting cross-compilation to the target) to depend on any new dependency less permissive than the Rust licensing policy.
no new deps, we're just adding a rustc target description file for a target llvm already knows about.
>> Compiling, linking, and emitting functional binaries, libraries, or other code for the target (whether hosted on the target itself or cross-compiling from another target) must not depend on proprietary (non-FOSS) libraries.
bare-metal target, doesn't rely on any libs at all.
> Tier 3 targets should attempt to implement as much of the standard libraries as possible and appropriate
`core` only here. You could build `alloc` too, but you'd have to bring your own global allocator.
> The target must provide documentation for the Rust community explaining how to build for the target, using cross-compilation if possible.
LLVM knows how to do it, you just need the GNU Binutils linker because LLVM's linker doesn't work that far back. That's in the docs as part of this PR.
> Tier 3 targets must not impose burden on the authors of pull requests, or other developers in the community, to maintain the target.
No burdens, LLVM already knows how to do this. Further, because this is a cpu-feature variant of an existing tier3 target the `compiler-builtins` crate has already been updated as necessary to fix any missing builtin function gaps.
> Patches adding or updating tier 3 targets must not break any existing tier 2 or tier 1 target, and must not knowingly break another tier 3 target without approval of either the compiler team or the maintainers of the other tier 3 target.
Matthias Krüger [Sun, 7 Aug 2022 19:10:25 +0000 (21:10 +0200)]
Rollup merge of #100206 - RalfJung:miri-terminfo, r=thomcc
test: skip terminfo parsing in Miri
Terminfo parsing takes a significant amount of time in Miri, making libtest startup very slow. To work around that Miri in fact unsets the `TERM` variable. However, this means we don't get colors in `cargo miri test`.
So I propose we add some logic in libtest that skips parsing terminfo files under Miri, and just uses the regular basic coloring commands (taken from the `colored` crate).
As far as I can see, these two commands are all that libtest ever needs from terminfo, so Miri doesn't even lose any functionality through this. If you want I can entirely remove the terminfo parsing code and just use these commands instead.
Cc https://github.com/rust-lang/miri/issues/2292 `@saethlin`
Matthias Krüger [Sun, 7 Aug 2022 19:10:24 +0000 (21:10 +0200)]
Rollup merge of #100194 - est31:box_syntax_tests, r=Mark-Simulacrum
Remove even more box syntax uses from src/test
Prior work, notably #88316 has removed box syntax from most of the testsuite.
However, some tests were left out.
This commit removes box_syntax uses from more locations in src/test.
This migrates the tests where `box` is mostly an "implementation detail" and not the primary thing being tested by the test.
Furthermore, some tests from the mir-opt test suite are not being migrated.
bors [Sun, 7 Aug 2022 18:44:41 +0000 (18:44 +0000)]
Auto merge of #100218 - nicholasbishop:bishop-update-cb, r=Mark-Simulacrum
Update compiler_builtins to 0.1.78
Among other things, this pulls in https://github.com/rust-lang/compiler-builtins/pull/475, which fixes some i128/u128 arithmetic operations on the `x86_64-unknown-uefi` target.
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