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748 Commits

Author SHA1 Message Date
Dylan DPC
2fe2975391
Rollup merge of #100081 - RalfJung:unused-unsafe-in-unsafe-fn, r=jackh726 
never consider unsafe blocks unused if they would be required with deny(unsafe_op_in_unsafe_fn)

Judging from https://github.com/rust-lang/rust/issues/71668#issuecomment-1200317370 the consensus nowadays seems to be that we should never consider an unsafe block unused if it was required with `deny(unsafe_op_in_unsafe_fn)`, no matter whether that lint is actually enabled or not. So let's adjust rustc accordingly.

The first commit does the change, the 2nd does some cleanup.
 2022-08-19 12:26:40 +05:30
Mark Rousskov
154a09dd91 Adjust cfgs 2022-08-12 16:28:15 -04:00
Dylan DPC
561ea0a746
Rollup merge of #99110 - audunhalland:match_has_guard_from_candidate, r=pnkfelix 
Determine match_has_guard from candidates instead of looking up thir table again

Currently looking through mir build of matches because of interest in deref patterns. Finding some micro-optimizable things.
 2022-08-11 22:46:57 +05:30
Matthias Krüger
b11b8d6939
Rollup merge of #100240 - cjgillot:noice-structural-match, r=davidtwco 
Fail gracefully when const pattern is not structural match.

Fixes https://github.com/rust-lang/rust/issues/82909
 2022-08-10 00:00:30 +02:00
Takayuki Maeda
56ec5bec1e suggest adding an appropriate missing pattern excluding comments 2022-08-09 14:27:26 +09:00
Camille GILLOT
aa031f9fbf Fail gracefully when const pattern is not structural match. 2022-08-07 19:12:33 +02:00
Matthias Krüger
eabf1a2e8e
Rollup merge of #100132 - compiler-errors:issue-100103, r=tmiasko 
Use (actually) dummy place for let-else divergence

Fixes #100103
 2022-08-06 16:15:56 +02:00
Matthias Krüger
6b938c8491
Rollup merge of #100093 - wcampbell0x2a:unused-parens-for-match-arms, r=petrochenkov 
Enable unused_parens for match arms

Fixes: https://github.com/rust-lang/rust/issues/92751

Currently I can't get the `stderr` to work with `./x.py test`, but this should fix the issue. Help would be appreciated!
 2022-08-04 22:25:02 +02:00
wcampbell
8dd44f1af4 Enable unused_parens for match arms 2022-08-04 07:16:39 -04:00
bors
2f2243c9b6 Auto merge of #99843 - oli-obk:is_useful_perf, r=compiler-errors 
Some `is_useful` cleanups

#98582 was reverted because it was a perf regression.

https://github.com/rust-lang/rust/pull/99806 reintroduces the changes, but this PR picks individual ones that have no regressions.
 2022-08-04 07:35:33 +00:00
Michael Goulet
47a7a91c96 Use (actually) dummy place for let-else divergence 2022-08-04 05:08:09 +00:00
Ralf Jung
86e2ca3088
add link to discussion 2022-08-02 18:57:22 -04:00
Ralf Jung
ee3fc9dff8 never consider unsafe blocks unused if they would be required with unsafe_op_in_unsafe_fn 2022-08-02 17:09:41 -04:00
Camille GILLOT
957548183d Remove trait_of_item query. 2022-08-01 21:39:26 +02:00
Camille GILLOT
d7ea161b7e Remove DefId from AssocItemContainer. 2022-08-01 21:38:45 +02:00
Matthias Krüger
8db3d7cfb6
Rollup merge of #99911 - cjgillot:no-guess, r=davidtwco 
Remove some uses of `guess_head_span`

That function cuts a span at the first occurrence of `{`.  Using `def_span` is almost always more precise.
 2022-08-01 16:49:31 +02:00
Dylan DPC
403c1b3802
Rollup merge of #99186 - camsteffen:closure-localdefid, r=cjgillot 
Use LocalDefId for closures more
 2022-07-31 17:36:40 +05:30
Cameron Steffen
cf2433a74f Use LocalDefId for closures more 2022-07-30 15:59:17 -05:00
Dylan DPC
c668820365
Rollup merge of #99311 - kckeiks:clean-up-body-owner-methods, r=cjgillot 
change maybe_body_owned_by to take local def id

Issue https://github.com/rust-lang/rust/issues/96341
r? `@cjgillot`
 2022-07-30 20:39:46 +05:30
Yuki Okushi
955091be8f
Rollup merge of #99518 - dingxiangfei2009:let-else-additional-tests, r=oli-obk 
Let-else: break out scopes when a let-else pattern fails to match

This PR will commit to a new behavior so that values from initializer expressions are dropped earlier when a let-else pattern fails to match.

Fix #98672.
Close #93951.
cc `@camsteffen` `@est31`
 2022-07-30 07:39:49 +09:00
Miguel Guarniz
0c609a4c1f Change enclosing_body_owner to return LocalDefId 
Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>
 2022-07-29 18:26:10 -04:00
Miguel Guarniz
16513d689e Rename local_did to def_id 
Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>
 2022-07-29 18:26:10 -04:00
Miguel Guarniz
25bdc8965e Change maybe_body_owned_by to take local def id 
Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>
 2022-07-29 18:25:58 -04:00
Camille GILLOT
a09b7ebfd3 Use DefKind instead of FnKind for recursion lint. 2022-07-29 18:10:43 +02:00
Camille GILLOT
6733bc3066 Remove guess_head_span. 2022-07-28 23:14:04 +02:00
Oli Scherer
803d374f9b Pass PatCtxt instead of passing MatchCtxt + Ty separately 2022-07-28 08:49:39 +00:00
Oli Scherer
544de44a6b Don't pass (the rather large) PatCtxt by value 2022-07-28 08:44:49 +00:00
Oli Scherer
970ff3d45d Move constructor into the branch that actually uses it 2022-07-28 08:33:36 +00:00
Guillaume Gomez
9e7b7d5e1c
Rollup merge of #99651 - compiler-errors:fn-and-raw-ptr-in-const-generics, r=oli-obk 
Deeply deny fn and raw ptrs in const generics

I think this is right -- just because we wrap a fn ptr in a wrapper type does not mean we should allow it in a const parameter.

We now reject both of these in the same way:

```
#![feature(adt_const_params)]

#[derive(Eq, PartialEq)]
struct Wrapper();

fn foo<const W: Wrapper>() {}

fn foo2<const F: fn()>() {}
```

This does regress one test (`src/test/ui/consts/refs_check_const_eq-issue-88384.stderr`), but I'm not sure it should've passed in the first place.

cc: ``@b-naber`` who introduced that test^
fixes #99641
 2022-07-27 17:55:04 +02:00
Takayuki Maeda
051e98b7bf avoid &str/Symbol to String conversions 2022-07-25 22:40:00 +09:00
Michael Goulet
10b69ab0d2 Remove non-descriptive boolean from search_for_structural_match_violation 2022-07-25 03:39:23 +00:00
Michael Goulet
c1f54c30bb Get rid of redundant NonStructuralMatchTyKind 2022-07-25 03:39:22 +00:00
Michael Goulet
1152e70363 Deeply deny fn and raw ptrs in const generics 2022-07-25 03:39:22 +00:00
Ding Xiang Fei
9b56640106
break out scopes when let-else fails to match 2022-07-21 00:35:43 +08:00
Oli Scherer
4a742a691e Revert "Rollup merge of #98582 - oli-obk:unconstrained_opaque_type, r=estebank" 
This reverts commit 6f8fb911ad, reversing
changes made to 7210e46dc6.
 2022-07-20 07:55:58 +00:00
Michael Goulet
6d2bd541e0 use body's param-env when checking if type needs drop 2022-07-17 10:56:12 -07:00
Caio
3266460749 Stabilize let_chains 2022-07-16 20:17:58 -03:00
Oli Scherer
57e9f7a556 Infer wildcard type from other patterns at every pattern level 2022-07-15 15:56:17 +00:00
Oli Scherer
92e470a1de Move constructor into the branch that actually uses it 2022-07-15 15:56:17 +00:00
Oli Scherer
ea68ce7fac Revert a hack that only ever worked on level deep 2022-07-15 15:56:17 +00:00
Oli Scherer
728c7e8bda Allow destructuring opaque types, since the patterns constrain the opaque types 2022-07-15 15:56:17 +00:00
Oli Scherer
12457f814c Some tracing helpers 2022-07-15 15:56:16 +00:00
Oli Scherer
0c6918fe21 Reuse a helper method instead of manually rolling it 2022-07-15 15:56:16 +00:00
Oli Scherer
7a8a048b58 Remove early return that would likely have caused miscompilations if it ever happened 2022-07-15 15:56:16 +00:00
Oli Scherer
eeb10335ce Pass one argument instead of fetching two fields of it at every call site 2022-07-15 15:56:16 +00:00
Oli Scherer
a034446fae Add some tracing instrumentation 2022-07-15 15:56:16 +00:00
Oli Scherer
84a444a1f4 Introduce opaque type to hidden type projection 2022-07-15 15:49:22 +00:00
bors
f1a8854f9b Auto merge of #99231 - Dylan-DPC:rollup-0tl8c0o, r=Dylan-DPC 
Rollup of 5 pull requests

Successful merges:

 - #97720 (Always create elided lifetime parameters for functions)
 - #98315 (Stabilize `core::ffi:c_*` and rexport in `std::ffi`)
 - #98705 (Implement `for<>` lifetime binder for closures)
 - #99126 (remove allow(rustc::potential_query_instability) in rustc_span)
 - #99139 (Give a better error when `x dist` fails for an optional tool)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
 2022-07-14 11:00:30 +00:00
Dylan DPC
e5a86d7358
Rollup merge of #98705 - WaffleLapkin:closure_binder, r=cjgillot 
Implement `for<>` lifetime binder for closures

This PR implements RFC 3216 ([TI](https://github.com/rust-lang/rust/issues/97362)) and allows code like the following:

```rust
let _f = for<'a, 'b> |a: &'a A, b: &'b B| -> &'b C { b.c(a) };
//       ^^^^^^^^^^^--- new!
```

cc ``@Aaron1011`` ``@cjgillot``
 2022-07-14 14:14:21 +05:30
bors
0ed9c64c3e Auto merge of #98975 - jyn514:unstable_opts, r=wesleywiser 
Rename `debugging_opts` to `unstable_opts`

This is no longer used only for debugging options (e.g. `-Zoutput-width`, `-Zallow-features`).
Rename it to be more clear.

cc https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Codegen.20options.20.2F.20debugging.20options

r? `@Amanieu` cc `@nikic` `@joshtriplett`
 2022-07-14 08:14:31 +00:00