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128 Commits

Author SHA1 Message Date
Maybe Waffle
1d42936b18 Prefer doc comments over //-comments in compiler 2022-11-27 11:19:04 +00:00
lcnr
31431ccda9 move 2 candidates into builtin candidate 2022-11-25 11:59:08 +01:00
Arpad Borsos
9f36f988ad Avoid GenFuture shim when compiling async constructs 
Previously, async constructs would be lowered to "normal" generators,
with an additional `from_generator` / `GenFuture` shim in between to
convert from `Generator` to `Future`.

The compiler will now special-case these generators internally so that
async constructs will *directly* implement `Future` without the need
to go through the `from_generator` / `GenFuture` shim.

The primary motivation for this change was hiding this implementation
detail in stack traces and debuginfo, but it can in theory also help
the optimizer as there is less abstractions to see through.
 2022-11-24 10:04:27 +01:00
Michael Goulet
9a9d0f40b8 Improve spans for RPITIT object-safety errors 2022-11-19 02:34:37 +00:00
lcnr
f1551bfc02 selection failure: recompute applicable impls 2022-11-08 14:48:07 +01:00
Michael Goulet
99b3454d37 Enforce rust-check ABI in signatures, calls 2022-11-05 18:05:25 +00:00
Boxy
3583f2758b Cleanups 2022-11-03 18:52:16 +00:00
Michael Goulet
dce44faf5b Revert "Make ClosureOutlivesRequirement not rely on an unresolved type" 
This reverts commit a6b5f95fb0.
 2022-10-27 16:15:11 +00:00
Michael Goulet
a6b5f95fb0 Make ClosureOutlivesRequirement not rely on an unresolved type 2022-10-19 17:10:59 +00:00
Samuel Moelius
bf3a29f590 Duplicate comment in mod.rs 2022-10-17 03:54:56 -04:00
Michael Goulet
8b9a1f1f4e Remove tuple candidate, nothing special about it 2022-10-07 16:19:21 +00:00
Jack Huey
9929c0ac76 Add AscribeUserTypeProvePredicate 2022-09-16 17:20:11 -04:00
Jack Huey
67653292be Add to_constraint_category to ObligationCause and SubregionOrigin 2022-09-16 17:00:11 -04:00
Jack Huey
92b759f517 Revert "Better errors for implied static bound" 
This reverts commit c75817b0a7.
 2022-09-16 09:47:07 -04:00
Jack Huey
c75817b0a7 Better errors for implied static bound 2022-09-13 20:18:04 -04:00
Dylan DPC
6bacb6f6e9 Rollup merge of #101681 - compiler-errors:rpitit-obj-safety, r=lcnr 
Deny return-position `impl Trait` in traits for object safety

Fixes #101667
 2022-09-12 15:21:33 +05:30
bors
3194958217 Auto merge of #100251 - compiler-errors:tuple-trait-2, r=jackh726 
Implement `std::marker::Tuple`

Split out from #99943 (https://github.com/rust-lang/rust/pull/99943#pullrequestreview-1064459183).

Implements part of rust-lang/compiler-team#537
r? `@jackh726`
 2022-09-12 03:24:29 +00:00
Michael Goulet
89b6488ef0 Deny RPITIT for object safety 2022-09-11 09:14:07 +00:00
lcnr
c63020a7c3 rename codegen_fulfill_obligation 2022-09-09 13:36:27 +02:00
Michael Goulet
30e3673d43 Add associated item binding to non-param-ty where clause suggestions 2022-09-08 02:06:48 +00:00
Michael Goulet
4ff587263e Note binding obligation causes for const equate errors 2022-08-24 17:53:35 +00:00
Michael Goulet
2a16a127a0 More docs 2022-08-21 02:35:11 +00:00
Michael Goulet
c005e760f5 Rework point-at-arg 2022-08-21 02:34:52 +00:00
Michael Goulet
d0e4c679ff Built-in implementation of Tuple trait 2022-08-07 16:31:03 -07:00
Michael Goulet
3bbe95ca0c Combine redundant obligation cause codes 2022-07-24 19:35:53 +00:00
Michael Goulet
8926dac549 And for patterns too 2022-07-21 07:43:00 +00:00
Michael Goulet
99c32570bb Do if-expression obligation stuff less eagerly 2022-07-21 07:39:28 +00:00
Matthias Krüger
69e4f21f2e Rollup merge of #99290 - compiler-errors:revert-98794, r=lcnr 
Revert "Highlight conflicting param-env candidates"

This reverts #98794, commit 08135254dc.

Seems to have caused an incremental compilation bug. The root cause of the incr comp bug is somewhat unrelated but is triggered by this PR, so I don't feel comfortable with having this PR in the codebase until it can be investigated further. Fixes #99233.
 2022-07-16 22:30:52 +02:00
Will Crichton
e5bb7d80d6 Propagate Expectation around binop typeck code to construct more precise trait obligations for binops. 2022-07-15 18:06:18 -07:00
Michael Goulet
1c8f87e907 Revert "Highlight conflicting param-env candidates" 
This reverts commit 08135254dc.
 2022-07-15 17:21:55 +00:00
Michael Goulet
78efaf43e4 remove tcx from ObligationCauseCode::span 2022-07-15 03:17:20 +00:00
Michael Goulet
27b6ab9129 Remove some more usages of guess_head_span 2022-07-15 03:17:20 +00:00
kadmin
e612e2603c Move abstract const to rustc_middle::ty 2022-07-12 02:21:31 +00:00
Michael Goulet
08135254dc Highlight conflicting param-env candidates 2022-07-08 03:51:08 +00:00
Alan Egerton
e4b9625b87 Add #[derive(TypeVisitable)] 2022-07-05 22:25:15 +01:00
Michael Goulet
6c0a591dee Fix trait object reborrow suggestion 2022-06-28 21:42:52 +00:00
Matthias Krüger
6391f239c8 Rollup merge of #98506 - compiler-errors:object-safety-suggestions, r=oli-obk 
Fix span issues in object safety suggestions

Fixes #98500
 2022-06-27 22:35:07 +02:00
Matthias Krüger
43dd0e2424 Rollup merge of #97780 - compiler-errors:field-wfcheck-before-sized, r=jackh726 
Check ADT field is well-formed before checking it is sized

Fixes #96810.

There is one diagnostics regression, in [`src/test/ui/generic-associated-types/bugs/issue-80626.stderr`](https://github.com/rust-lang/rust/pull/97780/files#diff-53795946378e78a0af23a10277c628ff79091c18090fdc385801ee70c1ba6963). I am not super concerned about it, since it's GAT related.
We _could_ fix it, possibly by using the `FieldSized` obligation cause code instead of `BuiltinDerivedObligation`. But that would require changing `Sized` trait confirmation and the `adt_sized_constraint` query.
 2022-06-27 08:06:46 +02:00
Michael Goulet
eff865ca76 Fix span issues in object safety suggestions 2022-06-25 14:59:45 -07:00
Michael Goulet
52409c4c90 Point at return expression for RPIT-related error 2022-06-21 18:23:37 -07:00
Takayuki Maeda
77d6176e69 remove unnecessary to_string and String::new 2022-06-13 15:48:40 +09:00
Michael Goulet
c1f4f980f4 Do wfcheck on ADT field before Sized check 2022-06-05 23:05:14 -07:00
Michael Goulet
1784634a39 Lifetime variance fixes for rustc 2022-05-22 14:29:32 -07:00
Dylan DPC
04f903859a Rollup merge of #95979 - lcnr:coherence-docs, r=compiler-errors 
update coherence docs, fix generator + opaque type ICE

the world is confusing, this makes it slightly less so
 2022-05-18 08:41:14 +02:00
bors
c1d65eaa45 Auto merge of #96892 - oli-obk:🐌_obligation_cause_code_🐌, r=estebank 
Clean up derived obligation creation

r? `@estebank`

working on fixing the perf regression from https://github.com/rust-lang/rust/pull/91030#issuecomment-1083360210
 2022-05-17 01:46:25 +00:00
Oli Scherer
0cefa5fa18 Force inline InternedObligationCauseCode creation 2022-05-16 13:34:03 +00:00
Oli Scherer
59bbbe78e2 Avoid invoking the full eq infrastructure when all we want is to check a discriminant 2022-05-13 09:31:46 +00:00
Oli Scherer
72f144de24 Give the inliner some hints 2022-05-12 11:29:01 +00:00
Camille GILLOT
6cfe52c094 Gracefully fail to resolve associated items instead of delay_span_bug. 2022-05-11 08:28:02 +02:00
Oli Scherer
824e9e47f7 Use InternedObligationCauseCode everywhere 2022-05-10 12:01:56 +00:00