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19 Commits

Author SHA1 Message Date
Esteban Küber 8c04999226 On object safety error, mention new enum as alternative 
When we encounter a `dyn Trait` that isn't object safe, look for its
implementors. If there's one, mention using it directly If there are
less than 9, mention the possibility of creating a new enum and using
that instead.

Account for object unsafe `impl Trait on dyn Trait {}`.  Make a
distinction between public and sealed traits.

Fix #80194.
 2023-10-29 23:55:46 +00:00
Oli Scherer beaf46f7e5 Work around the fact that `check_mod_type_wf` may spuriously return `ErrorGuaranteed`, even if that error is only emitted by `check_modwitem_types` 2023-10-25 12:04:54 +00:00
Esteban Küber a53f280bfc Suggest `;` after bare `match` expression E0308 
Fix #72634.
 2023-10-11 18:51:56 +00:00
Ali MJ Al-Nasrawy a8830631b9 remove trailing dots 2023-10-08 10:06:17 +00:00
Ali MJ Al-Nasrawy 996ffcb718 always show and explain sub region 2023-10-08 09:59:51 +00:00
Ali MJ Al-Nasrawy 5be0b2283a improve the suggestion of generic_bound_failure 2023-10-08 09:56:57 +00:00
Esteban Küber 91b9ffeab0 Reorder fullfillment errors to keep more interesting ones first 
In `report_fullfillment_errors` push back `T: Sized`, `T: WellFormed`
and coercion errors to the end of the list. The pre-existing
deduplication logic eliminates redundant errors better that way, keeping
the resulting output with fewer errors than before, while also having
more detail.
 2023-10-04 02:04:14 +00:00
Michael Goulet 30e6cea0ae Point out if a local trait has no implementations 2023-09-10 21:20:36 +00:00
Michael Goulet 14bf909e71 Note base types of coercion 2023-05-12 00:10:52 +00:00
whtahy ebe61cefc4 add known-bug test for unsound issue 104005 2023-04-22 13:57:34 -04:00
whtahy cff6c0e0c8 add known-bug test for unsound issue 100041 2023-04-22 13:37:13 -04:00
whtahy 314126257d add known-bug test for unsound issue 98117 2023-04-22 13:31:00 -04:00
Matthias Krüger 232eb698ed
Rollup merge of #110193 - compiler-errors:body-owner-issue, r=WaffleLapkin 
Check for body owner fallibly in error reporting

Sometimes the "body id" we use for an obligation cause is not actually a body owner, like when we're doing WF checking on items.

Fixes #110157
 2023-04-13 21:58:36 +02:00
Esteban Küber 5b40aa5eb4 Tweak output for 'add line' suggestion 2023-04-12 22:50:10 +00:00
Michael Goulet 1178c49a1b Check for body owner fallibly 2023-04-11 16:52:40 +00:00
Ali MJ Al-Nasrawy eea560494c oops! new unsoundness 
Bless tests and show an introduced unsoundness related to
exits<'a> { forall<'b> { 'a == 'b } }.
We now resolve the var ?a in U0 to the placeholder !b in U1.
 2023-03-05 12:49:01 +03:00
Esteban Küber 30cf7a3f51 Introduce `ReError` 
CC #69314
 2023-02-09 10:26:49 +00:00
Esteban Küber 62ba3e70a1 Modify primary span label for E0308 
The previous output was unintuitive to users.
 2023-01-30 20:12:19 +00:00
Albert Larsan cf2dff2b1e
Move /src/test to /tests 2023-01-11 09:32:08 +00:00