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Author SHA1 Message Date
Esteban Küber
ee96b8b119 review comment: use or patterns 2020-05-02 18:24:07 -07:00
Esteban Küber
31b3566196 When a projection is expected, suggest constraining or calling method 2020-05-02 18:24:07 -07:00
Esteban Küber
3a795fba03 On type mismatch involving associated type, suggest constraint 
When an associated type is found when a specific type was expected, if
possible provide a structured suggestion constraining the associated
type in a bound.

```
error[E0271]: type mismatch resolving `<T as Foo>::Y == i32`
  --> $DIR/associated-types-multiple-types-one-trait.rs:13:5
   |
LL |     want_y(t);
   |     ^^^^^^ expected `i32`, found associated type
...
LL | fn want_y<T:Foo<Y=i32>>(t: &T) { }
   |                 ----- required by this bound in `want_y`
   |
   = note:         expected type `i32`
           found associated type `<T as Foo>::Y`
help: consider constraining the associated type `<T as Foo>::Y` to `i32`
   |
LL | fn have_x_want_y<T:Foo<X=u32, Y = i32>>(t: &T)
   |                             ^^^^^^^^^
```

```
error[E0308]: mismatched types
  --> $DIR/trait-with-missing-associated-type-restriction.rs:12:9
   |
LL |     qux(x.func())
   |         ^^^^^^^^ expected `usize`, found associated type
   |
   = note:         expected type `usize`
           found associated type `<impl Trait as Trait>::A`
help: consider constraining the associated type `<impl Trait as Trait>::A` to `usize`
   |
LL | fn foo(x: impl Trait<A = usize>) {
   |                     ^^^^^^^^^^
```
 2020-05-02 18:23:46 -07:00
mibac138
8a77d1ca3f Add build script to rustc_attr because of cfg(version) 2020-05-03 02:42:12 +02:00
mibac138
a3ee28370f Add more tests for cfg(version) 2020-05-03 02:42:11 +02:00
mibac138
96f27c73cf Change cfg(version) error message wording 2020-05-03 02:42:10 +02:00
mibac138
90aa62a1bf Implement RFC 2523, #[cfg(version(..))] 2020-05-03 02:42:07 +02:00
bors
c1e0552869 Auto merge of #71807 - Dylan-DPC:rollup-jvb8sd9, r=Dylan-DPC 
Rollup of 7 pull requests

Successful merges:

 - #69274 (Implement RFC 2396: `#[target_feature]` 1.1)
 - #71767 (doc: make Stack and StackElement a little pretty)
 - #71772 (Mark query function as must_use.)
 - #71777 (cleanup: `config::CrateType` -> `CrateType`)
 - #71784 (Remove recommendation for unmaintained dirs crate)
 - #71785 (Update comment regarding SO_REUSEADDR on Windows)
 - #71787 (fix rustdoc warnings)

Failed merges:

r? @ghost
 2020-05-02 23:35:09 +00:00
Mark Rousskov
7f645aba10 Don't skip building LLVM if already built 2020-05-02 18:43:55 -04:00
Mark Rousskov
131e120585 Extract stamp testing for LLVM 
The extracted function can be used by the rest of bootstrap to detect if we've
already built an up-to-date LLVM (and so it's safe for us to either request it
or pretend it exists).
 2020-05-02 18:25:45 -04:00
Dylan MacKenzie
14a2c8d042 Decode qualifs from defaulted trait associated consts 2020-05-02 14:46:22 -07:00
Dylan MacKenzie
bcc44b8e02 Test associated const default qualifs cross-crate 
This also tests for the ICE in #71734
 2020-05-02 14:46:22 -07:00
unexge
ef813ca95a Add stability attribute to E0539 error examples 2020-05-03 00:25:45 +03:00
bors
f05a524044 Auto merge of #69274 - LeSeulArtichaut:target-feature-11, r=hanna-kruppe 
Implement RFC 2396: `#[target_feature]` 1.1

Tracking issue: #69098

r? @nikomatsakis
cc @gnzlbg @joshtriplett
 2020-05-02 20:24:50 +00:00
unexge
9536567210 Add #![feature(staged_api)] attribute to E0539 error examples 2020-05-02 23:10:34 +03:00
Charles Lew
f3ec00a5fe Add a fast code path to optimize confusable_idents lint for ASCII code base. 2020-05-03 02:31:13 +08:00
Charles Lew
c05961c2db Implement confusable_idents lint. 2020-05-03 02:30:50 +08:00
Bastian Kauschke
902aa62d51 slice::fill: take T by value. 2020-05-02 20:15:05 +02:00
unexge
e4ee172ab0 Add long error explanation for E0539 2020-05-02 21:14:08 +03:00
Eduard-Mihai Burtescu
926c7a298d typeck: always expose explicit enum discriminant AnonConsts' parent in generics_of. 2020-05-02 19:51:44 +03:00
Eduard-Mihai Burtescu
2c29f0cc8e typeck/wfcheck: require that explicit enum discriminants const-evaluate succesfully. 2020-05-02 19:51:38 +03:00
Dylan DPC
97cf378f54
Rollup merge of #71787 - tshepang:rustdoc-warnings, r=varkor 
fix rustdoc warnings
 2020-05-02 18:27:52 +02:00
Dylan DPC
5a7b21faba
Rollup merge of #71785 - reitermarkus:cfg-attribute, r=Mark-Simulacrum 
Update comment regarding SO_REUSEADDR on Windows
 2020-05-02 18:27:48 +02:00
Dylan DPC
94d2fd9205
Rollup merge of #71784 - Xaeroxe:patch-1, r=jonas-schievink 
Remove recommendation for unmaintained dirs crate

See #71684 for reasoning here
 2020-05-02 18:27:43 +02:00
Dylan DPC
590d201e0b
Rollup merge of #71777 - petrochenkov:crtype, r=Mark-Simulacrum 
cleanup: `config::CrateType` -> `CrateType`
 2020-05-02 18:27:39 +02:00
Dylan DPC
78dc7e15c9
Rollup merge of #71772 - cjgillot:ensure, r=petrochenkov 
Mark query function as must_use.

And use the `ensure()` version when the result is not needed.
 2020-05-02 18:27:35 +02:00
Dylan DPC
5747d1e000
Rollup merge of #71767 - tshepang:stack-stuff, r=jonas-schievink 
doc: make Stack and StackElement a little pretty

Also, fix rustdoc warnings.
 2020-05-02 18:27:31 +02:00
Dylan DPC
e96036fca2
Rollup merge of #69274 - LeSeulArtichaut:target-feature-11, r=hanna-kruppe 
Implement RFC 2396: `#[target_feature]` 1.1

Tracking issue: #69098

r? @nikomatsakis
cc @gnzlbg @joshtriplett
 2020-05-02 18:27:27 +02:00
bors
d20113d0f5 Auto merge of #71794 - RalfJung:miri, r=RalfJung 
update Miri

This contains the concurrency support by @vakaras :)

Fixes https://github.com/rust-lang/rust/issues/71729
r? @ghost
Cc @rust-lang/miri
 2020-05-02 16:24:51 +00:00
Bastian Kauschke
a691521867
typo 2020-05-02 18:16:36 +02:00
Eduard-Mihai Burtescu
50c63e48f1 ty: use delay_span_bug in ty::AdtDef::eval_explicit_discr. 2020-05-02 18:58:39 +03:00
Markus Reiter
39a97900be Replace cfg macro with attribute. 2020-05-02 17:06:16 +02:00
bors
53d3bc02ed Auto merge of #70655 - oli-obk:subrepo_funness, r=Mark-Simulacrum 
Make clippy a git subtree instead of a git submodule

r? @eddyb

cc #70651

documentation at https://github.com/rust-lang/rust/pull/70654
 2020-05-02 13:19:30 +00:00
Ralf Jung
89666ab6b4 fix miri-unleash delayed sanity checking 2020-05-02 14:39:19 +02:00
Ralf Jung
17ca7a0e48 explain why we use def_span 2020-05-02 13:35:17 +02:00
Ralf Jung
08ba0145c7 make sure the miri-unleash-flag is not used to circumvent feature gates 2020-05-02 13:32:58 +02:00
bors
7184d137f6 Auto merge of #71795 - RalfJung:rollup-yqxfi5a, r=RalfJung 
Rollup of 6 pull requests

Successful merges:

 - #71712 (Miri: port error backtraces to std::backtrace)
 - #71736 (bootstrap: also apply unused-attributes hack without deny_warnings)
 - #71738 (remove AllocId generalization of Pointer)
 - #71739 (remove obsolete comment)
 - #71781 (Uncomment test code for failure to use `Box::pin`)
 - #71782 (Use a non-existent test path instead of clobbering /dev/null)

Failed merges:

r? @ghost
 2020-05-02 10:13:57 +00:00
Ralf Jung
2ee49eb738
Rollup merge of #71782 - cuviper:leave-dev-null-alone, r=Mark-Simulacrum 
Use a non-existent test path instead of clobbering /dev/null

Fixes #71502.
r? @Mark-Simulacrum
 2020-05-02 12:08:15 +02:00
Ralf Jung
a9c818ebb2
Rollup merge of #71781 - estebank:box-pin-test, r=tmandry 
Uncomment test code for failure to use `Box::pin`

Close #69083.
 2020-05-02 12:08:13 +02:00
Ralf Jung
509896fb96
Rollup merge of #71739 - tshepang:master, r=Dylan-DPC 
remove obsolete comment

Referenced was removed in 9f492fefef8d9a75f6dc27c834561fe977ca70c5
 2020-05-02 12:08:12 +02:00
Ralf Jung
6616e2ca27
Rollup merge of #71738 - RalfJung:pointer-no-alloc-id, r=oli-obk 
remove AllocId generalization of Pointer

This was only needed for the "snapshot" machinery, which is gone.

r? @oli-obk
 2020-05-02 12:08:10 +02:00
Ralf Jung
72b8a31cae
Rollup merge of #71736 - RalfJung:silence-spurious-unused, r=Mark-Simulacrum 
bootstrap: also apply unused-attributes hack without deny_warnings

This is a follow-up to https://github.com/rust-lang/rust/pull/70881 that also silences these warnings when deny_warnings is off. They otherwise spam my screen during development and make it hard to see actual warnings.

Cc  @eddyb r? @Mark-Simulacrum
 2020-05-02 12:08:09 +02:00
Ralf Jung
cd824a5232
Rollup merge of #71712 - RalfJung:error-backtrace, r=oli-obk 
Miri: port error backtraces to std::backtrace

No need to pull in an external dependency if libstd already includes this feature (using the same dependency internally, but... still).

r? @oli-obk
 2020-05-02 12:08:03 +02:00
Ralf Jung
9c4ae74ce6 update Miri 2020-05-02 12:04:13 +02:00
Vadim Petrochenkov
ff86a45820 cleanup: config::CrateType -> CrateType 2020-05-02 11:57:23 +03:00
Tshepang Lekhonkhobe
3be52b5941 fix rustdoc warnings 2020-05-02 10:41:04 +02:00
Oliver Scherer
bce9fae97a Add 'src/tools/clippy/' from commit 'd2708873ef711ec8ab45df1e984ecf24a96cd369' 
git-subtree-dir: src/tools/clippy
git-subtree-mainline: 06c44816c1532e5ff08ad072f581fc068eb60e2e
git-subtree-split: d2708873ef711ec8ab45df1e984ecf24a96cd369
 2020-05-02 09:49:00 +02:00
Oliver Scherer
06c44816c1 Delete the clippy submodule 2020-05-02 09:48:46 +02:00
Oliver Scherer
1ef5a93af6 Also build clippy with ./x.py check 2020-05-02 09:46:42 +02:00
Oliver Scherer
a1824505d8 Gate on clippy on CI 2020-05-02 09:46:42 +02:00