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Author SHA1 Message Date
bors
a2e80300cd Auto merge of #68756 - JohnTitor:fix-ice-save-analysis-2, r=davidtwco 
Fix ICE with save-analysis

Fixes #68749

It should be fine since it's the same way as `visit_expr`.
 2020-02-03 03:28:08 +00:00
Nicholas Nethercote
d62b6f2047 Pull out a special case in merge_from_succ. 
This is a small perf win.
 2020-02-03 13:34:51 +11:00
Nicholas Nethercote
0eb297d3e0 Fix up merge_from_succ. 
This function has a variable `changed` that is erroneously used for two
related-but-different purpose:
- to detect if the current element has changed;
- to detect if any elements have changed.

As a result, its use for the first purpose is broken, because if any
prior element changed then the code always thinks the current element
has changed. This is only a performance bug, not a correctness bug,
because we frequently end up calling `assign_unpacked` unnecessarily to
overwrite the element with itself.

This commit adds `any_changed` to correctly distinguish between the two
purposes. This is a small perf win for some benchmarks.
 2020-02-03 13:33:45 +11:00
bors
01db581942 Auto merge of #68735 - JohnTitor:fix-ice-0202, r=estebank 
Use `next_point` to avoid ICE

Fixes #68730

r? @estebank (I think you're familiar with that)
 2020-02-03 00:04:16 +00:00
Amos Onn
22b263ae18 Optimize core::ptr::align_offset 
- As explained in the comment inside mod_inv, it is valid to work mod
  `usize::max_value()` right until the end.
 2020-02-03 01:03:33 +01:00
Amos Onn
3173cd1473 Optimize core::ptr::align_offset 
- When calculating the inverse, it's enough to work `mod a/g` instead
  of `mod a`.
 2020-02-03 01:03:33 +01:00
Amos Onn
e835d0d761 Optimize core::ptr::align_offset 
- Stopping condition inside mod_inv can be >= instead of >
- Remove intrinsics::unchecked_rem, we are working modulu powers-of-2 so
we can simply mask
 2020-02-03 01:03:33 +01:00
Esteban Küber
b9c125af75 Deal with spans showing std lib 
Address #53081
 2020-02-02 13:51:23 -08:00
Esteban Küber
865216b3ad Point at reason in object unsafe trait with Self in supertraits or where-clause 2020-02-02 13:45:41 -08:00
Esteban Küber
16d935e725 fix rebase 2020-02-02 12:50:07 -08:00
bors
8f49d46297 Auto merge of #68720 - wesleywiser:llvm_time_trace, r=davidtwco 
Add support for enabling the LLVM time-trace feature

I found this helpful while investigating an LLVM performance issue.
Passing `-Z llvm-time-trace` causes a `llvm_timings.json` file to be
created. This file can be inspected in with the Chrome Profiler
tools or with any other compatible tool like SpeedScope.

More information on the LLVM feature:

- https://aras-p.info/blog/2019/01/16/time-trace-timeline-flame-chart-profiler-for-Clang/

- https://reviews.llvm.org/rL357340
 2020-02-02 20:33:47 +00:00
Esteban Küber
342db717e2 Account for ?Sized type parameter bounds 2020-02-02 11:53:10 -08:00
Esteban Küber
d216b731f6 Remove duplicated code 2020-02-02 11:53:10 -08:00
Esteban Küber
cb6dfeaf61 Suggest ?Sized on type parameters 2020-02-02 11:53:10 -08:00
Esteban Küber
542130bde9 add tests for structured suggestion 2020-02-02 11:53:10 -08:00
Esteban Küber
a52ec87a17 Use more appropriate spans on object unsafe traits and provide structured suggestions when possible 2020-02-02 11:53:10 -08:00
Esteban Küber
413bfa4b98 Wording changes to object unsafe trait errors 
Stemming from the thread at https://twitter.com/indygreg/status/1223279056398929920
 2020-02-02 11:53:10 -08:00
Esteban Küber
3ca1c5d5b5 Point at Sized requirements 
Make #47990 easier to understand
 2020-02-02 11:53:10 -08:00
Esteban Küber
06fea92356 review comments 2020-02-02 11:53:10 -08:00
Esteban Küber
132921bc52 Remove duplicated code 2020-02-02 11:53:10 -08:00
Esteban Küber
144e259445 Slight rewording of diagnostic message 2020-02-02 11:53:10 -08:00
Esteban Küber
6870f79e9c Use more accurate failed predicate spans 2020-02-02 11:53:09 -08:00
Esteban Küber
8d48597b76 Point at return type obligations instead of at fn ident 2020-02-02 11:52:34 -08:00
Esteban Küber
972ae5afe5 Point at the Sized obligation in where clauses 2020-02-02 11:52:34 -08:00
Esteban Küber
4b2f1db6e4 Tweak Self: Sized restriction diagnostic output 2020-02-02 11:52:34 -08:00
Esteban Küber
d137b7ac11 review comments 2020-02-02 11:52:34 -08:00
Esteban Küber
0eb29d1a44 fix test 2020-02-02 11:52:34 -08:00
Esteban Küber
d72bcdb42c When object unsafe trait uses itself in associated item suggest using Self 2020-02-02 11:52:34 -08:00
Esteban Küber
1c9242f83f Point at Sized bound 2020-02-02 11:52:34 -08:00
Esteban Küber
fca5c64abd Point at arguments or output when fn obligations come from them, or ident when they don't 2020-02-02 11:52:33 -08:00
Ralf Jung
ee60158440 add raw-addr-of variant to mir_raw_fat_ptr 2020-02-02 20:51:24 +01:00
bors
f43c34a134 Auto merge of #68774 - RalfJung:miri, r=RalfJung 
bump Miri

Fixes https://github.com/rust-lang/rust/issues/68757

Cc @oli-obk r? @ghost
 2020-02-02 16:58:49 +00:00
Guillaume Gomez
019ca55b45
Clean up E0263 explanation 2020-02-02 15:28:18 +01:00
Ralf Jung
8c5bec103f bump Miri 2020-02-02 14:51:30 +01:00
bors
994e5e7465 Auto merge of #68771 - Centril:rollup-zllcup9, r=Centril 
Rollup of 5 pull requests

Successful merges:

 - #68733 (Update option.rs)
 - #68760 (Issue error on `compile-fail` header in UI test)
 - #68763 (Do not suggest duplicate bounds)
 - #68764 (parser: syntactically allow `self` in all `fn` contexts)
 - #68769 (parser: avoid re-wrapping NtItem)

Failed merges:

r? @ghost
 2020-02-02 13:16:43 +00:00
Mazdak Farrokhzad
011fb23c58
Rollup merge of #68769 - Centril:unwrap, r=petrochenkov 
parser: avoid re-wrapping NtItem

r? @petrochenkov
 2020-02-02 14:15:53 +01:00
Mazdak Farrokhzad
5951cd3dda
Rollup merge of #68764 - Centril:self-semantic, r=petrochenkov 
parser: syntactically allow `self` in all `fn` contexts

Part of https://github.com/rust-lang/rust/pull/68728.

`self` parameters are now *syntactically* allowed as the first parameter irrespective of item context (and in function pointers). Instead, semantic validation (`ast_validation`) is used.

r? @petrochenkov
 2020-02-02 14:15:52 +01:00
Mazdak Farrokhzad
2e1790dda1
Rollup merge of #68763 - JohnTitor:do-not-sugg-dup-bounds, r=estebank 
Do not suggest duplicate bounds

Fixes #68205
Fixes #68695

r? @estebank
 2020-02-02 14:15:51 +01:00
Mazdak Farrokhzad
3a7f1edd81
Rollup merge of #68760 - Tyg13:compile_fail_ui_test, r=Centril 
Issue error on `compile-fail` header in UI test

Fixes #68732

r? @Centril
 2020-02-02 14:15:49 +01:00
Mazdak Farrokhzad
f2cc0cc09d
Rollup merge of #68733 - cata0309:patch-1, r=Dylan-DPC 
Update option.rs

I updated the example of the `expect` examples so they won't contain depressing sentences any more !
 2020-02-02 14:15:48 +01:00
Mazdak Farrokhzad
d154bef4d3 parser: avoid re-wrapping NtItem 2020-02-02 13:55:45 +01:00
Mazdak Farrokhzad
71a6f58229 parser: address review comments re. self. 2020-02-02 13:32:37 +01:00
Jonas Schievink
9fa46fe153 Teach dropck about resume arguments 2020-02-02 13:20:58 +01:00
Jonas Schievink
aae0f543cf No resume argument in the drop shim 2020-02-02 13:20:58 +01:00
Jonas Schievink
3bb8ecb512 Adjust mir-opt tests to new yield lowering 2020-02-02 13:20:58 +01:00
Jonas Schievink
7a9709b08a Fix bootstrap rustc build 2020-02-02 13:20:58 +01:00
Jonas Schievink
4ee857c4c3 Add test for E0628 (too many generator parameters) 2020-02-02 13:20:57 +01:00
Jonas Schievink
fca614eb57 Add tests for generator resume arguments 2020-02-02 13:20:57 +01:00
Jonas Schievink
5b2059b257 Fix error message on type mismatch in generator 
Instead of "closure is expected to take 0 arguments"
we now get the expected type mismatch error.
 2020-02-02 13:20:57 +01:00
Jonas Schievink
3c22e51e7f Make generator transform move resume arg around 
The resume arg is passed as argument `_2` and needs to be moved to the
`Yield`s target `Place`
 2020-02-02 13:20:57 +01:00