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Author SHA1 Message Date
Esteban Küber
697fdc568e Suggest defining type parameter when appropriate 
```
error[E0412]: cannot find type `T` in this scope
 --> file.rs:3:12
  |
3 | impl Trait<T> for Struct {}
  |     -      ^ not found in this scope
  |     |
  |     help: you might be missing a type parameter: `<T>`
```

Fix #64298.
 2020-01-26 10:57:18 -08:00
Guillaume Gomez
85079f8b1f Fix run button positionning in case of scrolling 2020-01-26 17:24:40 +01:00
Eduard-Mihai Burtescu
6980f82c0d rustc_span: return an impl Iterator instead of a Vec from macro_backtrace. 2020-01-26 17:18:55 +02:00
Eduard-Mihai Burtescu
75284f8cbd rustc_span: replace MacroBacktrace with ExpnData. 2020-01-26 17:18:55 +02:00
Eduard-Mihai Burtescu
a7b0aa0675 rustc_span: move pretty syntax from macro_backtrace to ExpnKind::descr. 2020-01-26 17:18:55 +02:00
Eduard-Mihai Burtescu
787c458eeb Don't use ExpnKind::descr to get the name of a bang macro. 2020-01-26 17:18:54 +02:00
bors
698fcd38fa Auto merge of #68545 - estebank:verbose-bound-display, r=petrochenkov 
Use better bound names in `-Zverbose` mode

r? @petrochenkov as per https://github.com/rust-lang/rust/pull/67951/files#r365524015
 2020-01-26 11:48:34 +00:00
bors
3d8778d767 Auto merge of #68522 - estebank:impl-trait-sugg-2, r=oli-obk 
Further improve `impl Trait`/`dyn Trait` suggestions

After reading [_Returning Trait Objects_ by Bryce Fisher-Fleig](https://bryce.fisher-fleig.org/blog/returning-trait-objects/), [I noticed that](https://www.reddit.com/r/rust/comments/esueur/returning_trait_objects/ffczl4k/) #68195 had a few bugs due to not ignoring `ty::Error`.

- Account for `ty::Error`.
- Account for `if`/`else` and `match` blocks when pointing at return types and referencing their types.
- Increase the multiline suggestion output from 6 lines to 20.
 2020-01-26 08:36:23 +00:00
bors
fe1e81561a Auto merge of #68517 - oli-obk:spaces2, r=nagisa 
Don't use spaces before type ascription like colons

Split out of #67133 to make that PR simpler

r? @eddyb
 2020-01-26 05:13:14 +00:00
bors
086b2a49ec Auto merge of #68031 - Marwes:fold_list, r=estebank 
perf: Avoid creating a SmallVec if nothing changes during a fold

Not sure if this helps but in theory it should be less work than what
the current micro optimization does for `ty::Predicate` lists.

(It would explain the overhead I am seeing from `perf`.)
 2020-01-26 01:51:50 +00:00
bors
83beb0a118 Auto merge of #68546 - JohnTitor:rollup-znuot4b, r=JohnTitor 
Rollup of 5 pull requests

Successful merges:

 - #68485 (add a test for #60976)
 - #68498 (Add some type-alias-impl-trait regression tests)
 - #68514 (Use Self instead of self return type)
 - #68534 (Update submodules to rust-lang)
 - #68540 (clean up error codes E0229 and E0261)

Failed merges:

r? @ghost
 2020-01-25 22:44:39 +00:00
Yuki Okushi
5774dd053b
Rollup merge of #68540 - GuillaumeGomez:err-codes-cleanup-e0229-e0261, r=Dylan-DPC 
clean up error codes E0229 and E0261

r? @Dylan-DPC
 2020-01-26 06:37:24 +09:00
Yuki Okushi
7beac65eb6
Rollup merge of #68534 - JohnTitor:update-remote-url, r=jonas-schievink 
Update submodules to rust-lang

They're on rust-lang now. Should be green as it's the same change as #65963 but let's make sure CI is green also.
 2020-01-26 06:37:22 +09:00
Yuki Okushi
424e15ae54
Rollup merge of #68514 - lzutao:fmt-Self, r=Dylan-DPC 
Use Self instead of self return type
 2020-01-26 06:37:21 +09:00
Yuki Okushi
e7c557b295
Rollup merge of #68498 - Aaron1011:tait-regression-tests, r=Centril 
Add some type-alias-impl-trait regression tests

Fixes #57611
Fixes #57807
 2020-01-26 06:37:19 +09:00
Yuki Okushi
88429fb5e2
Rollup merge of #68485 - kingslef:fix/test-60976, r=nikomatsakis 
add a test for #60976

The test fails on 1.36.0 but passes on master.

Huge thanks for @hellow554 actually digging out the minimized version of the
repro.

Fixes #60976.
 2020-01-26 06:37:18 +09:00
Esteban Küber
3fb1810476 Use better bound names in -Zverbose mode 2020-01-25 13:25:19 -08:00
Esteban Küber
16709f032c Revert suggestion window size change 2020-01-25 12:26:33 -08:00
bors
6d3f4e0aab Auto merge of #68530 - estebank:abolish-ice, r=petrochenkov 
Do not ICE on multipart suggestions touching multiple files

When encountering a multipart suggestion with spans belonging to
different contexts, skip that suggestion.

Fix #68449. Similar to #68256.
 2020-01-25 19:55:26 +00:00
Tomasz Miąsko
7e3c51d085 Instrument C / C++ in MemorySanitizer example 
Modify the example to instrument C / C++ in addition to Rust, since it
will be generally required (e.g., when using libbacktrace for symbolication).

Additionally use rustc specific flag to track the origins of unitialized
memory rather than LLVM one.
 2020-01-25 19:48:02 +01:00
Guillaume Gomez
7fb8f7d85d clean up error codeS E0229 and E0261 2020-01-25 17:41:55 +01:00
bors
8ad83afe5b Auto merge of #68525 - tlively:emcc-codegen-sigsegv-66308, r=alexcrichton 
Update LLVM to fix crash on Emscripten targets

Fixes #66308 (for real this time). r? @alexcrichton
 2020-01-25 16:34:53 +00:00
bors
3bf71b3d5c Auto merge of #68516 - oli-obk:spaces, r=eddyb 
Render const pointers in MIR more compactly

Split out from #67133 to make that PR simpler

cc @RalfJung

r? @eddyb
 2020-01-25 13:14:59 +00:00
Oliver Scherer
ae31436ac7 Don't use spaces before type ascription like colons 2020-01-25 13:19:21 +01:00
Yuki Okushi
cdc6898a90 Update submodules to rust-lang 2020-01-25 17:58:10 +09:00
bors
80a65bcaf2 Auto merge of #68448 - maurer:dyn-cdylib, r=alexcrichton 
rustc: Allow cdylibs to link against dylibs

Previously, rustc mandated that cdylibs could only link against rlibs as dependencies (not dylibs).
This commit disables that restriction and tests that it works in a simple case.

I don't have a windows rustc dev environment, so I guessed at the MSVC test code, I'm hoping the CI can run that for me.

Additionally, we might want to consider emitting (through cargo or rustc) some metadata to help C users of a cdylib figure out where all the dylibs they need are. I don't think that should be needed to land this change, as it will still be usable by homogeneous build systems without it.

My new test was templated off the `tests/run-make-fulldeps/cdylib` test. It seemed more appropriate to have it as a separate test, since both foo.rs and bar.rs would need to be replicated to make that test cover both cases, but I can do that if it would be preferred.

If I'm doing anything out of order/process, please let me know; this is only my second change to rustc and the prior one was trivial.

r? alexcrichton
 2020-01-25 07:49:40 +00:00
bors
8bf17584e0 Auto merge of #68269 - csmoe:temp, r=estebank 
Suggest to shorten temporary borrow from raw pointer

Closes https://github.com/rust-lang/rust/issues/65436
r? @estebank
cc @tmandry
 2020-01-25 04:42:56 +00:00
Wesley Wiser
2acf5a30ba [self-profiler] Clean up EventFilter 2020-01-24 21:39:31 -05:00
Wesley Wiser
ea42b1c5b8 [self-profiler] Use ThreadId::as_u64() instead of transmute 2020-01-24 21:38:25 -05:00
Aaron Hill
1605276cc2
Add some type-alias-impl-trait regression tests 
Fixes #57611
Fixes #57807
 2020-01-24 21:32:00 -05:00
Esteban Küber
b626202087 Do not ICE on multipart suggestions touching multiple files 
When encountering a multipart suggestion with spans belonging to
different contexts, skip that suggestion.
 2020-01-24 18:03:09 -08:00
bors
8647aa1a2c Auto merge of #68526 - JohnTitor:rollup-3mmljof, r=JohnTitor 
Rollup of 6 pull requests

Successful merges:

 - #68111 (Print constants in `type_name` for const generics)
 - #68374 (Fix invalid link to the C++ Exception Handling ABI documentation)
 - #68504 (Use check-pass mode for lint tests and nll tests)
 - #68509 (Clean up error codes E0223 and E0225 explanations)
 - #68511 (Remove unused ignore-license directives)
 - #68515 (Support feature process_set_argv0 for VxWorks)

Failed merges:

r? @ghost
 2020-01-24 23:04:54 +00:00
Yuki Okushi
f998e275ca
Rollup merge of #68515 - Wind-River:master_2020, r=alexcrichton 
Support feature process_set_argv0 for VxWorks

r? @alexcrichton
 2020-01-25 07:45:18 +09:00
Yuki Okushi
b9c86a363a
Rollup merge of #68511 - tmiasko:ignore-license, r=alexcrichton 
Remove unused ignore-license directives

The tidy check was removed in rust-lang/rust#53617
 2020-01-25 07:45:16 +09:00
Yuki Okushi
e22ae2c096
Rollup merge of #68509 - GuillaumeGomez:clean-up-err-codes-e0223-e0225, r=Dylan-DPC 
Clean up error codes E0223 and E0225 explanations

r? @Dylan-DPC
 2020-01-25 07:45:15 +09:00
Yuki Okushi
cecffb6308
Rollup merge of #68504 - tmiasko:check-pass, r=alexcrichton 
Use check-pass mode for lint tests and nll tests

Helps with issue #62277.
 2020-01-25 07:45:13 +09:00
Yuki Okushi
b9c29770cc
Rollup merge of #68374 - gitletH:patch-1, r=nikomatsakis 
Fix invalid link to the C++ Exception Handling ABI documentation

The original link is longer valid(404). I am assuming it's meant to be pointed to the Itanium C++ Exception Handling ABI documentation.
 2020-01-25 07:45:11 +09:00
Yuki Okushi
cbaecee87c
Rollup merge of #68111 - varkor:const-generics-type_name, r=oli-obk 
Print constants in `type_name` for const generics

Fixes https://github.com/rust-lang/rust/issues/65372.

r? @oli-obk as there may have been a deliberate decision not to in 5b9848912a (diff-4ed1a72c0bfdf17be769ed520932cd02R80).
 2020-01-25 07:45:10 +09:00
Esteban Küber
600e385c43 review comments 2020-01-24 14:03:35 -08:00
varkor
4583283908 Update new tests 2020-01-24 20:52:16 +00:00
Esteban Küber
d493dccef7 Apply resolve_vars_if_possible to returned types for more accurate suggestions 2020-01-24 11:48:17 -08:00
Esteban Küber
34d51b3378 Increase suggestion code window from 6 lines to 20 2020-01-24 11:18:45 -08:00
Thomas Lively
110871a37a New fix 2020-01-24 11:12:33 -08:00
Esteban Küber
d14a323e74 Use more accurate return path spans 
No longer suggest `Box::new(if foo { Type1 } else { Type2 })`, instead
suggesting `if foo { Box::new(Type1) } else { Box::new(Type2) }`.
 2020-01-24 10:35:13 -08:00
Thomas Lively
601aa407ee Add opt-level=0 to test 2020-01-24 10:26:39 -08:00
Thomas Lively
7b49c7d743 Update LLVM to fix crash on Emscripten targets 
Adds a small Rust regression test for #66308.

r? @alexcrichton
 2020-01-24 10:26:39 -08:00
BaoshanPang
06af44238f Support feature process_set_argv0 for VxWorks 2020-01-24 09:59:59 -08:00
bors
c2d141df59 Auto merge of #68494 - matthewjasper:internal-static-ptrs, r=nikomatsakis 
Make pointers to statics internal

Closes #67611

r? @nikomatsakis
 2020-01-24 17:18:36 +00:00
Lzu Tao
2d7f8b31db Use Self instead of self return type 2020-01-24 17:43:57 +01:00
varkor
24a2929ed1 Normalise notes with the/is 2020-01-24 16:24:50 +00:00