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5204 commits

Author SHA1 Message Date
kai.giebeler
fb943fbe86 Merge remote-tracking branch 'upstream/master' into doc-markdown 2021-01-17 22:25:56 +01:00
bors
91292f1eef Auto merge of #6585 - Daniel-B-Smith:false-positive-issue, r=flip1995 
Explicitly document false positives

Adds documentation for known false positives for the `await_holding*` lints.

Issues:

https://github.com/rust-lang/rust-clippy/issues/6353
https://github.com/rust-lang/rust-clippy/issues/6446

changelog: document FPs for the ``await_holding_*`` lints
 2021-01-17 17:14:13 +00:00
bors
990e2b35b2 Auto merge of #6528 - Jarcho:redundant_slicing, r=flip1995 
New lint: redundant_slicing

changelog: Added lint: `redundant_slicing`
fixes #6519

This will trigger on any type which implements `Index<RangeFull>` that returns the input type. This would be a false positive if the implementation does something other than return itself, but I'm not sure why you would ever want to do that.
 2021-01-17 16:26:28 +00:00
bors
e0d331fbf4 Auto merge of #6582 - rail-rain:ice_6539, r=flip1995 
Fix the ICE 6539

Fixes #6539

It happened because `zero_sized_map_values` used `layout_of` with types from type aliases, which is essentially the same as the ICE 4968.

---

changelog: Fix an ICE in `zero_sized_map_values`
 2021-01-17 15:38:50 +00:00
bors
40ce9f83b6 Auto merge of #6549 - ThibsG:FixClosureNeedlessReturn, r=phansch 
Fix FP with empty return for `needless_return` lint

This fixes a false positive in `needless_return` lint, when triggered in a closure using `return` statement without value.

Fixes: #6501

changelog: none
 2021-01-17 10:29:10 +00:00
Jason Newcomb
9146a77032
Update clippy_lints/src/redundant_slicing.rs 
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2021-01-15 16:41:24 -05:00
Jason Newcomb
bf028b3f4a
fix copy-paste error 2021-01-15 16:41:22 -05:00
Jason Newcomb
27c0d6c14b
don't lint external macro expansions 2021-01-15 16:41:20 -05:00
Jason Newcomb
2a41d40807
fix new lint error 2021-01-15 16:41:17 -05:00
Jason Newcomb
837bc99065
Initial implementation of redundant_slicing lint 2021-01-15 16:41:13 -05:00
bors
3577cf79de Auto merge of #6500 - Javier-varez:case_sensitive_file_extensions, r=llogiq 
Case sensitive file extensions

Closes #6425

Looks for ends_with methods calls with case sensitive extension comparisons.

changelog: Add new lint that warns about case-sensitive file extension comparisons.
 2021-01-15 19:49:39 +00:00
ThibsG
83f1abff48 Fix FP with empty return for needless_return lint 2021-01-15 18:57:56 +01:00
bors
2d1e129851 Auto merge of #6574 - Jarcho:single_match_eq, r=Manishearth 
single_match: suggest `if` over `if let` when possible

fixes: #173
changelog: single_match: suggest `if` over `if let` when possible
 2021-01-15 16:25:03 +00:00
bors
9ea66e946e Auto merge of #6555 - stanislav-tkach:patch-1, r=flip1995 
Remove duplication in the manual_ok_or lint example

changelog: none
 2021-01-15 10:27:47 +00:00
flip1995
f18cf82ca8
Don't trigger needless_return lint in macros 2021-01-15 10:41:29 +01:00
flip1995
9bd037d0b5
Merge remote-tracking branch 'upstream/master' into rustup 2021-01-15 10:39:53 +01:00
Jason Newcomb
36ff2f739c
Rename function 2021-01-14 22:02:04 -05:00
Jason Newcomb
85edd65bf6
Address review comments 
Add: attempt to remove address of expressions from the scrutinee expression before adding references to the pattern
 2021-01-14 14:26:26 -05:00
bors
7b3af4145b Auto merge of #79328 - c410-f3r:hir-if, r=matthewjasper 
Reintroduce hir::ExprKind::If

Basically copied and paste #59288/https://github.com/rust-lang/rust-clippy/pull/4080 with some modifications.

The vast majority of tests were fixed and now there are only a few remaining. Since I am still unable to figure out the missing pieces, any help with the following list is welcome.

- [ ] **Unnecessary `typeck` exception**: [Cheated on this one to make CI green.](https://github.com/rust-lang/rust/pull/79328/files#diff-3faee9ba23fc54a12b7c43364ba81f8c5660045c7e1d7989a02a0cee1c5b2051)
- [x] **Incorrect span**: [Span should reference `then` and `else` separately.](https://github.com/rust-lang/rust/pull/79328/files#diff-cf2c46e82222ee4b1037a68fff8a1af3c4f1de7a6b3fd798aacbf3c0475abe3d)
- [x] **New note regarding `assert!`**: [Modified but not "wrong". Maybe can be a good thing?](https://github.com/rust-lang/rust/pull/79328/files#diff-9e0d7c89ed0224e2b62060c957177c27db43c30dfe3c2974cb6b5091cda9cfb5)
- [x] **Inverted report location**: [Modified but not "wrong". Locations were inverted.](https://github.com/rust-lang/rust/pull/79328/files#diff-f637ce7c1f68d523a165aa9651765df05e36c4d7d279194b1a6b28b48a323691)
- [x] **`src/test/ui/point-to-type-err-cause-on-impl-trait-return.rs` has weird errors**: [Not sure why this is happening.](https://github.com/rust-lang/rust/pull/79328/files#diff-c823c09660f5b112f95e97e8ff71f1797b6c7f37dbb3d16f8e98bbaea8072e95)
- [x] **Missing diagnostic**: [???](https://github.com/rust-lang/rust/pull/79328/files#diff-6b8ab09360d725ba4513933827f9796b42ff9522b0690f80b76de067143af2fc)
 2021-01-14 14:41:58 +00:00
Daniel Smith
02f99bea87 Explicitly document false positives 2021-01-13 16:08:15 -05:00
bors
dcd8c8e739 Auto merge of #77524 - Patryk27:fixes/66228, r=estebank 
Rework diagnostics for wrong number of generic args (fixes #66228 and #71924)

This PR reworks the `wrong number of {} arguments` message, so that it provides more details and contextual hints.
 2021-01-13 20:35:58 +00:00
Joshua Nelson
dfb41f4797 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
Takayuki Nakata
ea028497ed Make a reference a link in doc 2021-01-13 09:21:26 +09:00
rail
feee45c872 Fix the ICE 6539 
It happened because `zero_sized_map_values` used `layout_of` with types
from type aliases, which is essentially the same as the ICE 4968.
 2021-01-13 12:07:33 +13:00
bors
7f4599a848 Auto merge of #6557 - rail-rain:extending_cast_ptr_alignment, r=phansch 
Catch `pointer::cast` too in `cast_ptr_alignment`

Fixes #4708

Although there were some discussion in the issue, this PR implements the original feature. I think `cast_ptr_alignment` should exist as it is, separated from `ptr_as_ptr`.

---

changelog: Extend `cast_ptr_alignment` lint for the `pointer::cast` method
 2021-01-11 22:03:46 +00:00
rail
53f87310cd Simplify cast_ptr_alignment pointer::casr case 2021-01-12 10:06:41 +13:00
Jason Newcomb
8d7417d807
Add: single_match will suggest using if .. == .. instead of if let when applicable 2021-01-10 23:32:23 -05:00
Patryk Wychowaniec
2c6dc8801f Rework diagnostics for wrong number of generic args 2021-01-10 13:07:40 +01:00
Vadim Petrochenkov
9e45a23ab9 ast: Remove some indirection layers from values in key-value attributes 2021-01-09 21:50:39 +03:00
bors
583715f583 Auto merge of #6565 - giraffate:small_fixes_of_doc_in_needless_question_mark, r=phansch 
Small fixes of doc in `needless_question_mark`

changelog: none
 2021-01-09 15:28:10 +00:00
bors
ee0598e254 Auto merge of #6571 - ThibsG:BoxedLocalTrait, r=phansch 
Fix FP for `boxed_local` lint in default trait fn impl

Fix FP on default trait function implementation on `boxed_local` lint.

Maybe I checked too much when looking if `self` is carrying `Self` in its bound type.
I can't find a good test case for this, so it could be too much conservative.
Let me know if you think only detecting `self` parameter is enough.

Fixes: #4804

changelog: none
 2021-01-09 13:42:28 +00:00
ThibsG
8a6fea4fb8 Fix FP for boxed_local lint in default trait fn impl 2021-01-09 12:26:24 +01:00
Cameron Steffen
7871ebaab9 Fix symbol string comparison dogfood 2021-01-08 14:50:00 -06:00
Cameron Steffen
cc26919b4d Add unnecessary symbol string lint 2021-01-08 14:49:59 -06:00
Cameron Steffen
76ccfb4ae2 Fix unnecessary keyword intern dogfood 2021-01-08 14:32:32 -06:00
Cameron Steffen
121c65f0cf Add keywords to interning defined symbol lint 2021-01-08 12:13:06 -06:00
Cameron Steffen
24c700b5d7 Use DefId in interning defined symbol lint 2021-01-08 12:13:06 -06:00
bors
2950c8e1cb Auto merge of #6566 - giraffate:reduce_the_span_in_from_over_into, r=Manishearth 
Reduce the span in `from_over_into` to impl header

A follow up of https://github.com/rust-lang/rust-clippy/pull/6476#discussion_r546271382
> That item might be quite large. We may want to reduce the span to the `impl` header.

changelog: none
 2021-01-08 01:49:26 +00:00
rail
ee9b47dae6 Move is_hir_ty_cfg_dependant to util, 
add stuff on pointer::cast` to the document for `cast_ptr_alignment`
and fix line numbers in the test.
 2021-01-08 14:15:12 +13:00
Takayuki Nakata
0e14a75506 Reduce the span in from_over_into to impl header 2021-01-08 09:16:11 +09:00
Takayuki Nakata
aa9adbf244 Small fixes of doc in needless_question_mark 2021-01-08 08:45:15 +09:00
Caio
7d42172899 Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
Stanislav Tkach
2b3c0ade6d
Fix typo: irrevelent -> irrelevant 2021-01-07 13:59:55 +02:00
rail
f50ded0592 Catch pointer::cast too in cast_ptr_alignment 2021-01-07 16:56:19 +13:00
Stanislav Tkach
15d5ac6b2f
Remove duplication in the manual_ok_or lint example 2021-01-06 13:26:35 +02:00
jekto_vatimeliju
8a45ffa11d Fix typo: which which can be -> which can be 2021-01-06 20:02:50 +09:00
bors
efccfe80e4 Auto merge of #6553 - phansch:field-reassign-with-default-macros, r=flip1995 
Fix derive and macro related false positives in `field_reassign_with_default`

Closes #6545

changelog: Fix derive and macro related false positives in [`field_reassign_with_default`]
 2021-01-06 08:22:47 +00:00
Philipp Hansch
92f2bbbe06
Fix macro issues with field_reassign_with_default 2021-01-05 20:31:13 +01:00
Philipp Hansch
a8825e9af0
Use existing 'is_automatically_derived' helper 2021-01-05 16:31:08 +01:00
Philipp Hansch
ea885d90ad
Tiny Symbol cleanup 
* Renames `sym.rs` to `sym_helper.rs` so that the `sym as rustc_sym` is no longer needed.
* Removes one needless `symbol` from a path
 2021-01-05 16:03:39 +01:00