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21776 Commits

Author SHA1 Message Date
Matthias Krüger
5201bb53bb remove redundant clones 2023-02-10 18:08:25 +01:00
bors
d1ac43a9b9 Auto merge of #107652 - estebank:re_error, r=oli-obk 
Introduce `ReError`

CC #69314

r? `@nagisa`
 2023-02-10 10:10:12 +00:00
bors
9b8dbd558c Auto merge of #107870 - matthiaskrgr:rollup-3z1q4rm, r=matthiaskrgr 
Rollup of 6 pull requests

Successful merges:

 - #107043 (Support `true` and `false` as boolean flag params)
 - #107831 (Query refactoring)
 - #107841 (Handled snap curl issue inside Rust)
 - #107852 (rustdoc: remove unused fn parameter `tab`)
 - #107861 (Sync release notes for 1.67.1)
 - #107863 (Allow multiple candidates with same response in new solver)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
 2023-02-10 06:20:01 +00:00
Matthias Krüger
9300617dab
Rollup merge of #107863 - compiler-errors:new-solver-multiple-candidates, r=jackh726 
Allow multiple candidates with same response in new solver

Treat >1 candidates as *not* ambiguous if they return the same response.
 2023-02-10 06:09:59 +01:00
Matthias Krüger
11e128025a
Rollup merge of #107831 - nnethercote:query-refactoring, r=oli-obk 
Query refactoring

Just some cleanups I found when learning about the query system.

Best reviewed one commit at a time.

r? `@oli-obk`
 2023-02-10 06:09:57 +01:00
Matthias Krüger
8fc9ed51f0
Rollup merge of #107043 - Nilstrieb:true-and-false-is-false, r=wesleywiser 
Support `true` and `false` as boolean flag params

Implements [MCP 577](https://github.com/rust-lang/compiler-team/issues/577).
 2023-02-10 06:09:56 +01:00
bors
a697573463 Auto merge of #101680 - jackh726:implied-cleanup, r=lcnr 
Fix implied outlives bounds logic for projections

The logic here is subtly wrong. I put a bit of an explanation in a767d7b5165cea8ee5cbe494a4a636c50ef67c9c.

TL;DR: we register outlives predicates to be proved, because wf code normalizes projections (from the unnormalized types) to type variables. This causes us to register those as constraints instead of implied. This was "fine", because we later added that implied bound in the normalized type, and delayed registering constraints. When I went to cleanup `free_region_relations` to *not* delay adding constraints, this bug was uncovered.

cc. `@aliemjay` because this caused your test failure in #99832 (I only realized as I was writing this)

r? `@nikomatsakis`
 2023-02-10 03:21:39 +00:00
Jack Huey
0637b6b471 Update implied_outlives_bounds to properly register implied bounds behind normalization 2023-02-09 21:08:11 -05:00
Jack Huey
1a663c0f53 Cleanup free_region_relations a bit 2023-02-09 20:38:27 -05:00
Michael Goulet
3c4e1f85cb Multiple candidates with same response is not ambiguous 2023-02-10 00:35:25 +00:00
bors
a12d31d5a6 Auto merge of #102963 - ilammy:xray-basic, r=estebank 
Add `-Z instrument-xray` flag

Implement MCP https://github.com/rust-lang/compiler-team/issues/561, adding `-Z instrument-xray` flag which enables XRay instrumentation in LLVM.
 2023-02-10 00:02:43 +00:00
Dylan DPC
b080a1a4fc
Rollup merge of #107815 - compiler-errors:new-solver-no-auto-if-impl, r=lcnr 
Disqualify `auto trait` built-in impl in new solver if explicit `impl` exists
 2023-02-09 23:18:37 +05:30
Dylan DPC
16a4138387
Rollup merge of #107803 - eggyal:do_not_bring_trait_alias_supertraits_into_scope, r=compiler-errors 
Do not bring trait alias supertraits into scope

Fixes #107747
cc #41517
 2023-02-09 23:18:36 +05:30
Dylan DPC
39ba11036a
Rollup merge of #107786 - compiler-errors:new-solver-some-tweaks, r=lcnr 
Implement some tweaks in the new solver

I've been testing the new solver on some small codebases, and these are a few small changes I've needed to make.

The most "controversial" here is implementing `trait_candidate_should_be_dropped_in_favor_of`, which I just implemented to always return false. This surprisingly allows some code to compile, without us having to actually decide on any semantics yet.

r? `@rust-lang/initiative-trait-system-refactor`
 2023-02-09 23:18:35 +05:30
Dylan DPC
5aa062e249
Rollup merge of #107659 - bvanjoi:issue-107649, r=estebank 
test: snapshot for derive suggestion in diff files

fixed #107649
 2023-02-09 23:18:35 +05:30
Dylan DPC
be1789a56d
Rollup merge of #107648 - matthiaskrgr:unused_lifetime_104432_fix, r=cjgillot 
unused-lifetimes: don't warn about lifetimes originating from expanded code

previously, we would warn like this:

````
warning: lifetime parameter `'s` never used
 --> /tmp/unusedlif/code.rs:6:62
  |
5 | #[derive(Clone)]
  |          - help: elide the unused lifetime
6 | struct ShimMethod4<T: Trait2 + 'static>(pub &'static dyn for<'s> Fn(&'s mut T::As));
  |                                                              ^^
  |
  = note: requested on the command line with `-W unused-lifetimes`
````

Fixes #104432
 2023-02-09 23:18:34 +05:30
Michael Goulet
68e27b3052 Disqualify auto-trait builtin impl in new solver if impl exists 2023-02-09 17:23:50 +00:00
Michael Goulet
654f43f34e Move winnowing to assembly 2023-02-09 17:22:39 +00:00
Michael Goulet
8987e68247 Implement a dummy drop-in-favor-of for the new solver 2023-02-09 17:22:37 +00:00
Michael Goulet
8c67ecd124 Use elaborated item bounds for alias types 2023-02-09 17:16:47 +00:00
Michael Goulet
8dadd54f52 Fix subst issue with object_ty_for_trait 2023-02-09 17:16:47 +00:00
bohan
7615045ebd test: snapshot for derive suggestion in diff files 2023-02-09 22:28:53 +08:00
bors
8cca42a47f Auto merge of #107843 - bjorn3:sync_cg_clif-2023-02-09, r=bjorn3 
Sync rustc_codegen_cranelift

* Couple of bugfixes
* A significant runtime perf improvement
* Implemented sym and const support for inline asm
* Improved self profile integration

r? `@ghost`

`@rustbot` label +A-codegen +A-cranelift +T-compiler
 2023-02-09 14:12:59 +00:00
bjorn3
e25566e20b Merge commit '7d53619064ab7045c383644cb445052d2a3d46db' into sync_cg_clif-2023-02-09 2023-02-09 12:38:16 +01:00
Esteban Küber
3689295a6b Use ErrorGuaranteed more in ReError 2023-02-09 10:38:45 +00:00
Esteban Küber
3222725538 Fix RegionKind: PartialEq to account for ReError 2023-02-09 10:26:50 +00:00
Esteban Küber
ed8651c7b8 Use 'static RegionVid for ReError 2023-02-09 10:26:50 +00:00
Esteban Küber
861f451235 Change to ReError(ErrorGuaranteed) 2023-02-09 10:26:49 +00:00
Esteban Küber
ffaf2a5c27 review comments 2023-02-09 10:26:49 +00:00
Esteban Küber
30cf7a3f51 Introduce ReError 
CC #69314
 2023-02-09 10:26:49 +00:00
Matthias Krüger
f2a2e298ba
Rollup merge of #107835 - tshepang:fmt, r=WaffleLapkin 
use idiomatic formatting

Also, remove needless `else`
 2023-02-09 11:21:59 +01:00
Matthias Krüger
a621769881
Rollup merge of #107752 - riverar:rafael/gnu_dlltool_temp_prefix, r=petrochenkov 
Specify dlltool prefix when generating import libs

Ref: https://github.com/rust-lang/rust/pull/106610#issuecomment-1418221274

tl;dr: This PR adds an explicit dlltool temporary filename prefix. The prefix resolves a race condition by ensuring dlltool temporary files are siloed in an appropriate/unique Rust temporary directory.

---

GNU dlltool, as part of its import library generation logic, uses a bunch of temporary files on disk. In the interest of deterministic build runs, dlltool supports deterministic temporary filenames. The temporary filename prefix is automatically generated internally or can be explicitly specified via a `--temp-prefix` argument.

GNU dlltool **2.38** (that ships with `x86_64-12.2.0-release-posix-seh-rt_v10-rev0` [installed during CI](https://github.com/rust-lang/rust/blob/master/src/ci/scripts/install-mingw.sh)) generates a prefix based on the target library name ([source](https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=binutils/dlltool.c;h=d95bf3f5470b999fa3b30bc887791859f48d81d1;hb=20756b0fbe065a84710aa38f2457563b57546440#l3992)). The tool writes to files such as `target_dll_h.s` and `target_dll_s00203.o` in the current working directory.

This presents a problem when multiple instances of rustc_codegen_llvm are running to generate an import library (as part of the raw_dylib feature) for the same target library (e.g. kernel32) ([source](https://github.com/rust-lang/rust/blob/master/compiler/rustc_codegen_llvm/src/back/archive.rs#L185-L196)). That is, dlltool instances race and may overwrite or delete files belonging to each other.

GNU dlltool **2.39**+ (not used in Rust CI) generates a prefix based on the output library path ([source](https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=binutils/dlltool.c;h=e2af20847009945b4c61a6fef08268fbb4429715;hb=b51c2fec1da205ea3e7354cbb3e253018d64873c#l3992)). The tool, when invoked as part of rustc_codegen_llvm, writes to files at paths such as `C_Users_Foo_AppData_Local_Temp_rustcOFqhXZ_target_lib_h.s`. (The output library path is normalized and non-alphanumeric characters are replaced with underscores.)
 2023-02-09 11:21:58 +01:00
Matthias Krüger
3b9543c89d
Rollup merge of #107446 - clubby789:rustc-parse-diag-migrate, r=compiler-errors 
Migrate some of `rustc_parse` to derive diagnostics

`@rustbot` label +A-translation
r? rust-lang/diagnostics
cc #100717
 2023-02-09 11:21:57 +01:00
Tshepang Mbambo
b651679d90 use idiomatic formatting 
Also, remove needless else
 2023-02-09 10:57:52 +02:00
bors
c40919b7a7 Auto merge of #106938 - GuillaumeGomez:normalize-projection-field-ty, r=oli-obk 
Add missing normalization for union fields types

Overshadows https://github.com/rust-lang/rust/pull/106808.
From the experiment https://github.com/rust-lang/rust/pull/103985.

In short, it allows to use projections as a type for union's fields.

cc `@compiler-errors`
r? `@oli-obk`
 2023-02-09 07:08:19 +00:00
Nicholas Nethercote
243944c653 Remove QueryContext. 
There is a type `QueryCtxt`, which impls the trait `QueryContext`.
Confusingly, there is another type `QueryContext`. The latter is (like
`TyCtxt`) just a pointer to a `GlobalContext`. It's not used much, e.g.
its `impl` block has a single method.

This commit removes `QueryContext`, replacing its use with direct
`GlobalCtxt` use.
 2023-02-09 16:14:51 +11:00
Nicholas Nethercote
afbe167fbb Avoid some tls::with calls. 
These are in places where a `tcx` is easily obtained.
 2023-02-09 15:28:04 +11:00
Nicholas Nethercote
18f751df6a Simplify with_tlv. 2023-02-09 15:26:37 +11:00
Nicholas Nethercote
f7b3e39502 Simplify tls::enter_context. 2023-02-09 15:25:45 +11:00
Michael Goulet
ab09405e99
Rollup merge of #107813 - compiler-errors:bad-impl-trait-in-macro-is-ok, r=estebank 
Do not eagerly recover for bad `impl Trait` types in macros

Fixes #107796

cc #106712, ```@estebank``` and ```@Ezrashaw``` please make sure to use [`Parser::may_recover`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_parse/parser/struct.Parser.html#method.may_recover) for all eager-token-consuming parser recoveries.

This also fixes a separate regression from #99915, that was introduced before we added `may_recover` though.
 2023-02-08 20:01:26 -08:00
Michael Goulet
46c7c91ce7
Rollup merge of #107799 - lcnr:update-provisional-result, r=oli-obk 
correctly update goals in the cache

we may want to actually write the response for our goal into the provisional or global cache instead of simply using the result from the last iteration '^^

r? ```@rust-lang/initiative-trait-system-refactor```
 2023-02-08 20:01:26 -08:00
Michael Goulet
32bb73eede
Rollup merge of #107761 - oli-obk:miri_🪵, r=TaKO8Ki 
Replace a command line flag with an env var to allow tools to initialize the tracing loggers at their own discretion

fixes https://github.com/rust-lang/miri/issues/2778

this was introduced in https://github.com/rust-lang/rust/pull/104645, so this PR reverts the flag-part and uses an env var instead.
 2023-02-08 20:01:25 -08:00
Michael Goulet
04f770839d
Rollup merge of #107713 - nnethercote:extend-BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE, r=RalfJung 
Extend `BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE`.

To temporarily allow a `str` field in a packed struct using `derive`, along with `[u8]`.

r? ``@RalfJung``
 2023-02-08 20:01:25 -08:00
Oleksii Lozovskyi
3561dc948c Emit an error if -Z instrument-xray is not supported 
This is somewhat important because LLVM enables the pass based on
target architecture, but support by the target OS also matters.

For example, XRay attributes are processed by codegen for macOS
targets, but Apple linker fails to process relocations in XRay
data sections, so the feature as a whole is not supported there
for the time being.
 2023-02-09 12:29:40 +09:00
Oleksii Lozovskyi
8e49c84740 XRay support flag in TargetOptions 
Specify where XRay is supported. I only test ARM64 and x86_64, but hey
those others should work too, right? LLVM documentation says that MIPS
and PPC are also supported, but I don't have the hardware, so I won't
pretend. Naturally, more targets can be added later with more testing.
 2023-02-09 12:28:01 +09:00
Oleksii Lozovskyi
bac15db1d0 Emit basic XRay instrumentation attributes 
Add the attributes to functions according to the settings.

"xray-always" overrides "xray-never", and they both override
"xray-ignore-loops" and "xray-instruction-threshold", but we'll
let lints deal with warnings about silly attribute combinations.
 2023-02-09 12:28:00 +09:00
Oleksii Lozovskyi
b3cadd2dcf Allow multiple instrumentation attributes 
Four because that's the new reasonable maximum for XRay instrumentation
attributes in the following commit.
 2023-02-09 12:28:00 +09:00
Oleksii Lozovskyi
0e60df9ed1 Parse "-Z instrument-xray" codegen option 
Recognize all bells and whistles that LLVM's XRay pass is capable of.
The always/never settings are a bit dumb without attributes but they're
still there. The default instruction count is chosen by the compiler,
not LLVM pass. We'll do it later.
 2023-02-09 12:25:21 +09:00
Nicholas Nethercote
a70d03b624 Extend BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE. 
To temporarily allow a `str` field in a packed struct using `derive`,
along with `[u8]`.
 2023-02-09 11:47:12 +11:00
bors
575d424c94 Auto merge of #107717 - nnethercote:opt-TyKind-eq, r=compiler-errors 
Optimize `TyKind::eq`.

r? `@ghost`
 2023-02-09 00:41:31 +00:00