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183 Commits

Author SHA1 Message Date
Jack Huey
e76476afe4 Cleanup 2021-01-16 18:40:47 -05:00
Jack Huey
4cd6f85a07 Remove PredicateKind 2021-01-16 18:40:47 -05:00
Jack Huey
8278314a8b Remove PredicateKind::Atom 2021-01-16 18:40:47 -05:00
LingMan
a56bffb4f9 Use Option::map_or instead of .map(..).unwrap_or(..) 2021-01-14 19:23:59 +01:00
bors
fc93e4719c Auto merge of #80960 - Dylan-DPC:rollup-89tri8x, r=Dylan-DPC 
Rollup of 10 pull requests

Successful merges:

 - #78901 (diagnostics: Note capturing closures can't be coerced to fns)
 - #79588 (Provide more information for HRTB lifetime errors involving closures)
 - #80232 (Remove redundant def_id lookups)
 - #80662 (Added support for i386-unknown-linux-gnu and i486-unknown-linux-gnu)
 - #80736 (use Once instead of Mutex to manage capture resolution)
 - #80796 (Update to LLVM 11.0.1)
 - #80859 (Fix --pretty=expanded with --remap-path-prefix)
 - #80922 (Revert "Auto merge of #76896 - spastorino:codegen-inline-fns2)
 - #80924 (Fix rustdoc --test-builder argument parsing)
 - #80935 (Rename `rustc_middle::lint::LevelSource` to `LevelAndSource`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
 2021-01-13 04:29:45 +00:00
bors
150d1fee04 Auto merge of #79322 - jyn514:refactor-impl, r=estebank 
Separate out a `hir::Impl` struct

This makes it possible to pass the `Impl` directly to functions, instead
of having to pass each of the many fields one at a time. It also
simplifies matches in many cases.

See `rustc_save_analysis::dump_visitor::process_impl` or `rustdoc::clean::clean_impl` for a good example of how this makes `impl`s easier to work with.

r? `@petrochenkov` maybe?
 2021-01-13 01:40:41 +00:00
Joshua Nelson
a8ff647deb Separate out a hir::Impl struct 
This makes it possible to pass the `Impl` directly to functions, instead
of having to pass each of the many fields one at a time. It also
simplifies matches in many cases.
 2021-01-12 20:32:33 -05:00
Esteban Küber
a8a974245e Provide more information for HRTB lifetime errors involving closures 2021-01-12 13:53:13 -08:00
William Bain
d46c3e3411 Tweak ? inference error messages 2021-01-10 19:48:11 -05:00
William Bain
62a39ed526 Extract parent def handling for infer failure err 2021-01-10 19:48:11 -05:00
William Bain
b9d9776fea Refactor cannot infer ... message rendering 2021-01-10 19:48:10 -05:00
William Bain
0496fdee4f Note inference failures using ? conversion 2021-01-10 19:47:57 -05:00
Yuki Okushi
faf8beddef
Rollup merge of #80637 - LingMan:filter, r=oli-obk 
Use Option::filter instead of open-coding it

`@rustbot` modify labels +C-cleanup +T-compiler
 2021-01-05 09:52:42 +09:00
LingMan
203d5025bb Use Option::filter instead of open-coding it 2021-01-03 05:53:15 +01:00
Matthias Krüger
8a90626a46 reduce borrowing and (de)referencing around match patterns (clippy::match_ref_pats) 2021-01-02 20:09:17 +01:00
Rémy Rakic
1fc3c4c16d adjust const generics defaults FIXMEs to the new feature gate 2021-01-01 11:01:01 +01:00
Yuki Okushi
7008911080 FIx ICE on wf check for foreign fns 2020-12-31 11:25:53 +09:00
Yuki Okushi
41fa0dba27
Rollup merge of #80509 - matthiaskrgr:ptr_arg, r=varkor 
where possible, pass slices instead of &Vec or &String (clippy::ptr_arg)
 2020-12-30 22:49:26 +09:00
Matthias Krüger
bdc9291ed9 where possible, pass slices instead of &Vec or &String (clippy::ptr_arg) 2020-12-30 13:11:52 +01:00
Yuki Okushi
a309468a8c
Rollup merge of #80348 - matthiaskrgr:less_clones, r=Dylan-DPC 
remove redundant clones (clippy::redundant_clone)
 2020-12-30 18:15:04 +09:00
Dylan DPC
c51172f38a
Rollup merge of #80344 - matthiaskrgr:matches, r=Dylan-DPC 
use matches!() macro in more places
 2020-12-28 14:13:12 +01:00
Matthias Krüger
d12a358673 use matches!() macro in more places 2020-12-24 13:35:12 +01:00
Matthias Krüger
6e852cc4ce remove redundant clones (clippy::redundant_clone) 2020-12-24 12:59:22 +01:00
Matthew Jasper
2e92b13a60 Prevent caching projections in the case of cycles 
When normalizing a projection which results in a cycle, we would
cache the result of `project_type` without the nested obligations
(because they're not needed for inference). This would result in
the nested obligations only being handled once in fulfill, which
would avoid the cycle error.

Fixes #79714, a regresion from #79305 caused by the removal of
`get_paranoid_cache_value_obligation`.
 2020-12-20 21:47:51 +00:00
bors
b1964e60b7 Auto merge of #80163 - jackh726:binder-refactor-part-3, r=lcnr 
Make BoundRegion have a kind of BoungRegionKind

Split from #76814

Also includes making `replace_escaping_bound_vars` only return `T`

Going to r? `@lcnr`
Feel free to reassign
 2020-12-20 07:01:00 +00:00
bors
0c11b93f5a Auto merge of #79635 - lcnr:const-eval-idk, r=oli-obk 
const_evaluatable_checked: fix occurs check

fixes #79615

this is kind of a hack because we use `TypeRelation` for both the `Generalizer` and the `ConstInferUnifier` but i am not sure if there is a useful way to disentangle this without unnecessarily duplicating some code.

The error in the added test is kind of unavoidable until we erase the unused substs of `ConstKind::Unevaluated`. We talked a bit about this in the cg lazy norm meeting (https://rust-lang.zulipchat.com/#narrow/stream/260443-project-const-generics/topic/lazy_normalization_consts)
 2020-12-20 00:50:46 +00:00
Jack Huey
5e7095850c More rebinds 2020-12-19 04:26:35 -05:00
Jack Huey
af3b1cb0b5 Change potentially_qualified to be defined on Binder<PredicateAtom> 2020-12-18 15:57:12 -05:00
Jack Huey
328fcee4af Make BoundRegion have a kind of BoungRegionKind 2020-12-18 15:27:28 -05:00
Dylan DPC
da89dbb41a
Rollup merge of #80046 - camelid:diag-docs, r=lcnr 
Add more documentation to `Diagnostic` and `DiagnosticBuilder`

cc `@estebank`
 2020-12-18 00:30:20 +01:00
Camelid
10487cd784 Fix typo in method name 
unsuccessfull -> unsuccessful
 2020-12-16 14:59:12 -08:00
Jack Huey
ed80815bf2 Move binder for dyn to each list item 2020-12-11 15:02:46 -05:00
Matthias Krüger
20f8538d1f simplify if let Some(_) = x to if x.is_some() (clippy::redundant_pattern_matching) 2020-12-08 20:27:49 +01:00
Matthias Krüger
1734f9c291 remove redundant clones 2020-12-05 12:59:54 +01:00
Benjamin Peterson
76ff0f408a The details of higher-rank sub are in the rustc book not a doc module. 2020-12-03 23:38:36 -06:00
Bastian Kauschke
806c7281ec add comment to visit_ct_substs 2020-12-02 16:41:01 +01:00
Santiago Pastorino
37354ebc97
Revert "Auto merge of #79209 - spastorino:trait-inheritance-self, r=nikomatsakis" 
This reverts commit 349b3b324d, reversing
changes made to b776d1c3e3.
 2020-12-02 12:19:38 -03:00
Bastian Kauschke
71d7550350 const_evaluatable_checked: fix occurs check 2020-12-02 15:31:27 +01:00
Santiago Pastorino
ada7c1f429
Return FxIndexSet instead of FxHashSet to avoid order errors on different platforms 2020-11-27 18:45:34 -03:00
Santiago Pastorino
28446ef19e
Inline elaborate_trait_refs_that_define_assoc_type into transitive_bounds_that_define_assoc_type 2020-11-27 11:23:52 -03:00
Santiago Pastorino
9e0538bd07
Document elaborate_trait_refs_that_define_assoc_type 2020-11-27 11:23:51 -03:00
Santiago Pastorino
2ca4964db5
Allow to self reference associated types in where clauses 2020-11-27 11:23:47 -03:00
Jonas Schievink
9b2117d1f6
Rollup merge of #77758 - Stupremee:turbofish-help-for-const, r=varkor 
suggest turbofish syntax for uninferred const arguments

When not providing a const generic value, and it can not be inferred, the following suggestion is suggested:
![image](https://user-images.githubusercontent.com/39732259/95616180-af127b80-0a69-11eb-8877-551c815f9627.png)

Resolves #76737

r? ``@varkor``
 2020-11-26 13:39:00 +01:00
Jonas Schievink
ee6f42ba94 Thread Constness through selection 2020-11-22 02:13:53 +01:00
LeSeulArtichaut
f59d03038c Move rustc_ty -> rustc_ty_utils 2020-11-19 21:57:29 +01:00
Justus K
4379a43e46
Suggest turbofish for uninferred const argument 2020-11-18 19:23:22 +01:00
bors
e0ef0fc392 Auto merge of #78779 - LeSeulArtichaut:ty-visitor-return, r=oli-obk 
Introduce `TypeVisitor::BreakTy`

Implements MCP rust-lang/compiler-team#383.
r? `@ghost`
cc `@lcnr` `@oli-obk`

~~Blocked on FCP in rust-lang/compiler-team#383.~~
 2020-11-17 12:24:34 +00:00
lcnr
a6cbd64dae words 2020-11-16 22:42:09 +01:00
Bastian Kauschke
2bf93bd852 compiler: fold by value 2020-11-16 22:34:57 +01:00
LeSeulArtichaut
df6e87cc85 Use TypeVisitor::BreakTy in UnresolvedTypeFinder 2020-11-14 21:20:10 +01:00
LeSeulArtichaut
e0f3119103 Introduce TypeVisitor::BreakTy 2020-11-14 20:25:27 +01:00
Guillaume Gomez
0b7a7930b4
Rollup merge of #78463 - varkor:placeholder-const, r=nikomatsakis 
Add type to `ConstKind::Placeholder`

I simply threaded `<'tcx>` through everything that required it. I'm not sure whether this is the correct thing to do, but it seems to work.

r? `@nikomatsakis`
 2020-11-13 15:26:14 +01:00
varkor
e24a4b4690 Add type to ConstKind::Placeholder 2020-11-12 15:39:55 +00:00
Jonas Schievink
9596e34ad4
Rollup merge of #76765 - guswynn:async_return, r=tmandry 
Make it more clear what an about async fn's returns when referring to what it returns

see #76547

This is *likely* not the ONLY place that this happens to be unclear, but we can move this fn to rustc_middle or something like that and reuse it if need be, to apply it to more diagnostics

One outstanding question I have is, if the fn returns (), should I make the message more clear (what about `fn f()` vs `fn f() -> ()`, can you tell those apart in the hir?)

R? `@tmandry`

`@rustbot` modify labels +A-diagnostics +T-compiler
 2020-11-10 14:45:09 +01:00
Matthias Krüger
bcd2f2df67 fix a couple of clippy warnings: 
filter_next
manual_strip
redundant_static_lifetimes
single_char_pattern
unnecessary_cast
unused_unit
op_ref
redundant_closure
useless_conversion
 2020-11-04 13:48:50 +01:00
LeSeulArtichaut
9433eb83fe Remove implicit Continue type 2020-10-30 12:27:47 +01:00
LeSeulArtichaut
4fe735b320 TypeVisitor: use ControlFlow in rustc_{infer,lint,trait_selection} 2020-10-30 12:27:34 +01:00
Yuki Okushi
a7a0538802
Rollup merge of #78460 - varkor:turbofish-string-generic, r=lcnr 
Adjust turbofish help message for const generics

Types are no longer special. (This message arguably only makes sense with `min_const_generics` or more, but we'll be there soon.)

r? @lcnr
 2020-10-29 12:08:50 +09:00
varkor
a6d01da716 Remove irrelevant FIXME 2020-10-28 10:47:27 +00:00
Esteban Küber
28f02fbf3e Suggest calling await on method call and field access 
When encountering a failing method or field resolution on a `Future`,
look at the `Output` and try the same operation on it. If successful,
suggest calling `.await` on the `Future`.

This had already been introduced in #72784, but at some point they
stopped working.
 2020-10-26 08:11:43 -07:00
Dylan DPC
463b6cc0e1
Rollup merge of #78268 - JohnTitor:issue-78262, r=estebank 
Do not try to report on closures to avoid ICE

Fixes #78262
 2020-10-26 03:09:11 +01:00
Yuki Okushi
7b4c397b73 Do not try to report on closures to avoid ICE 2020-10-25 11:19:49 +09:00
Esteban Küber
f5d7443a6b Suggest semicolon removal and boxing when appropriate 2020-10-23 08:06:41 -07:00
Esteban Küber
c5485115dc Add more .await suggestions on E0308 2020-10-23 08:06:41 -07:00
Esteban Küber
62ba365195 Review comments: use newtype instead of bool 2020-10-23 08:06:41 -07:00
Esteban Küber
671d7c4afb Account for possible boxable impl Future in semicolon removal suggestions 2020-10-23 08:06:13 -07:00
David Tolnay
b0059500f6
Reduce diagram mess in 'match arms have incompatible types' error 2020-10-22 16:16:02 -07:00
Bastian Kauschke
8752a560b9 Lift: take self by value 2020-10-21 23:59:35 +02:00
Esteban Küber
88f5e110db review comments 2020-10-20 09:26:15 -07:00
Esteban Küber
ae0e3d0511 Tweak "object unsafe" errors 
Fix #77598.
 2020-10-20 09:26:14 -07:00
SNCPlay42
c146e8c54f revert workaround #73027 2020-10-19 21:11:40 +01:00
Gus Wynn
20e032e650 Make it more clear when complaining about async fn's return types 2020-10-17 15:57:47 -07:00
Jack Huey
f6a53b4c69 Review comments 2020-10-16 15:14:38 -04:00
Jack Huey
eba10270c6 map_bound_ref -> rebind 2020-10-16 14:29:21 -04:00
Jack Huey
dd5c9bf139 Use map_bound(_ref) instead of Binder::bind when possible 2020-10-16 12:58:50 -04:00
est31
9ed2177d86 Remove unused code from rustc_infer 2020-10-14 04:14:32 +02:00
est31
a0fc455d30 Replace absolute paths with relative ones 
Modern compilers allow reaching external crates
like std or core via relative paths in modules
outside of lib.rs and main.rs.
 2020-10-13 14:16:45 +02:00
Matthew Jasper
d4d9e7f67f Remove unused part of return value from replace_bound_vars_with_placeholders 2020-10-06 11:19:30 +01:00
Matthew Jasper
f958e6c246 Separate bounds and predicates for associated/opaque types 2020-10-06 11:19:29 +01:00
Matthew Jasper
0eb87ed55f Rename projection_predicates to item_bounds 2020-10-06 11:18:45 +01:00
bors
ea7e131435 Auto merge of #77171 - VFLashM:better_sso_structures, r=oli-obk 
Better sso structures

This change greatly expands interface of MiniSet/MiniMap and renames them because they are no longer "Mini".
 2020-10-05 17:18:01 +00:00
Dylan MacKenzie
c4d8089f00 Revert "Add an unused field of type Option<DefId> to ParamEnv struct." 
This reverts commit ab83d372ed.
 2020-09-26 21:01:09 -07:00
Valerii Lashmanov
5c224a484d MiniSet/MiniMap moved and renamed into SsoHashSet/SsoHashMap 
It is a more descriptive name and with upcoming changes
there will be nothing "mini" about them.
 2020-09-26 14:30:05 -05:00
Ralf Jung
9e02642fb3
Rollup merge of #77211 - est31:remove_unused_allow, r=oli-obk 
Remove unused #[allow(...)] statements from compiler/
 2020-09-26 12:58:34 +02:00
Ralf Jung
ac8169dc10
Rollup merge of #77093 - lcnr:const-generics-infer-warning, r=varkor 
merge `need_type_info_err(_const)`

I hoped that this would automatically solve #76737 but it doesn't quite seem like it

fixes #77092

r? @varkor
 2020-09-26 12:58:17 +02:00
Bastian Kauschke
9a607c0a27 unused into 2020-09-26 10:31:34 +02:00
Bastian Kauschke
32195ac8f4 rename functions 2020-09-26 10:28:15 +02:00
est31
12187b7f86 Remove unused #[allow(...)] statements from compiler/ 2020-09-26 01:25:55 +02:00
marmeladema
9f50c49117 Implement Display for DisambiguatedDefPathData and DefPathData 2020-09-25 22:46:15 +01:00
marmeladema
f1878d19fa Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
Jonas Schievink
6f3da3d53f
Rollup merge of #77121 - duckymirror:html-root-url, r=jyn514 
Updated html_root_url for compiler crates

Closes #77103

r? @jyn514
 2020-09-25 02:29:45 +02:00
Bastian Kauschke
e5430e5306 the two hardest things in programming, names and... 2020-09-24 22:01:46 +02:00
Erik Hofmayer
138a2e5eaa /nightly/nightly-rustc 2020-09-23 21:51:56 +02:00
Erik Hofmayer
dd66ea2d3d Updated html_root_url for compiler crates 2020-09-23 21:14:43 +02:00
Bastian Kauschke
0e84b61053 use relevant span when unifying ConstVarValues 2020-09-23 11:00:44 +02:00
Bastian Kauschke
3dbfdb0182 use the correct span when dealing with inference variables 2020-09-23 10:44:11 +02:00
Bastian Kauschke
0abb1abf04 unused path 2020-09-23 10:06:32 +02:00
Bastian Kauschke
45d92b43e3 merge need_type_info_err(_const) 2020-09-23 09:24:58 +02:00
Andreas Jonson
6586c37bec Move MiniSet to data_structures 
remove the need for T to be copy from MiniSet as was done for MiniMap
 2020-09-23 08:09:16 +02:00
bors
6d3acf5129 Auto merge of #76928 - lcnr:opaque-types-cache, r=tmandry 
cache types during normalization

partially fixes #75992

reduces the following test from 14 to 3 seconds locally.

cc `@Mark-Simulacrum` would it make sense to add that test to `perf`?
```rust
#![recursion_limit="2048"]
#![type_length_limit="112457564"]

pub async fn h0(v: &String, x: &u64) { println!("{} {}", v, x) }
pub async fn h1(v: &String, x: &u64) { h0(v, x).await }
pub async fn h2(v: &String, x: &u64) { h1(v, x).await }
pub async fn h3(v: &String, x: &u64) { h2(v, x).await }
pub async fn h4(v: &String, x: &u64) { h3(v, x).await }
pub async fn h5(v: &String, x: &u64) { h4(v, x).await }
pub async fn h6(v: &String, x: &u64) { h5(v, x).await }
pub async fn h7(v: &String, x: &u64) { h6(v, x).await }
pub async fn h8(v: &String, x: &u64) { h7(v, x).await }
pub async fn h9(v: &String, x: &u64) { h8(v, x).await }

pub async fn h10(v: &String, x: &u64) { h9(v, x).await }
pub async fn h11(v: &String, x: &u64) { h10(v, x).await }
pub async fn h12(v: &String, x: &u64) { h11(v, x).await }
pub async fn h13(v: &String, x: &u64) { h12(v, x).await }
pub async fn h14(v: &String, x: &u64) { h13(v, x).await }
pub async fn h15(v: &String, x: &u64) { h14(v, x).await }
pub async fn h16(v: &String, x: &u64) { h15(v, x).await }
pub async fn h17(v: &String, x: &u64) { h16(v, x).await }
pub async fn h18(v: &String, x: &u64) { h17(v, x).await }
pub async fn h19(v: &String, x: &u64) { h18(v, x).await }

macro_rules! async_recursive {
    (29, $inner:expr) => { async { async_recursive!(28, $inner) }.await };
    (28, $inner:expr) => { async { async_recursive!(27, $inner) }.await };
    (27, $inner:expr) => { async { async_recursive!(26, $inner) }.await };
    (26, $inner:expr) => { async { async_recursive!(25, $inner) }.await };
    (25, $inner:expr) => { async { async_recursive!(24, $inner) }.await };
    (24, $inner:expr) => { async { async_recursive!(23, $inner) }.await };
    (23, $inner:expr) => { async { async_recursive!(22, $inner) }.await };
    (22, $inner:expr) => { async { async_recursive!(21, $inner) }.await };
    (21, $inner:expr) => { async { async_recursive!(20, $inner) }.await };
    (20, $inner:expr) => { async { async_recursive!(19, $inner) }.await };

    (19, $inner:expr) => { async { async_recursive!(18, $inner) }.await };
    (18, $inner:expr) => { async { async_recursive!(17, $inner) }.await };
    (17, $inner:expr) => { async { async_recursive!(16, $inner) }.await };
    (16, $inner:expr) => { async { async_recursive!(15, $inner) }.await };
    (15, $inner:expr) => { async { async_recursive!(14, $inner) }.await };
    (14, $inner:expr) => { async { async_recursive!(13, $inner) }.await };
    (13, $inner:expr) => { async { async_recursive!(12, $inner) }.await };
    (12, $inner:expr) => { async { async_recursive!(11, $inner) }.await };
    (11, $inner:expr) => { async { async_recursive!(10, $inner) }.await };
    (10, $inner:expr) => { async { async_recursive!(9, $inner) }.await };

    (9, $inner:expr) => { async { async_recursive!(8, $inner) }.await };
    (8, $inner:expr) => { async { async_recursive!(7, $inner) }.await };
    (7, $inner:expr) => { async { async_recursive!(6, $inner) }.await };
    (6, $inner:expr) => { async { async_recursive!(5, $inner) }.await };
    (5, $inner:expr) => { async { async_recursive!(4, $inner) }.await };
    (4, $inner:expr) => { async { async_recursive!(3, $inner) }.await };
    (3, $inner:expr) => { async { async_recursive!(2, $inner) }.await };
    (2, $inner:expr) => { async { async_recursive!(1, $inner) }.await };
    (1, $inner:expr) => { async { async_recursive!(0, $inner) }.await };
    (0, $inner:expr) => { async { h19(&String::from("owo"), &0).await; $inner }.await };
}

async fn f() {
    async_recursive!(14, println!("hello"));
}

fn main() {
    let _ = f();
}
```
r? `@eddyb` requires a perf run.
 2020-09-22 22:52:07 +00:00