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2020-09-28const evaluatable: improve `TooGeneric` handlingBastian Kauschke-13/+1
2020-09-25Rollup merge of #77073 - lcnr:ty-trait-param, r=matthewjasperJonas Schievink-0/+21
dead_code: look at trait impls even if they don't contain items fixes #70225
2020-09-24update testsBastian Kauschke-1/+1
2020-09-22dead_code: look at trait impls even if they don't contain itemsBastian Kauschke-0/+21
2020-09-21Rollup merge of #76581 - lcnr:bound-too-generic, r=eddybecstatic-morse-0/+124
do not ICE on bound variables, return `TooGeneric` instead fixes #73260, fixes #74634, fixes #76595 r? @nikomatsakis
2020-09-21add testsBastian Kauschke-0/+45
2020-09-20update stderr fileBastian Kauschke-2/+1
2020-09-20do not ICE on `ty::Bound` in Layout::computeBastian Kauschke-0/+39
2020-09-20miri: correctly deal with `ConstKind::Bound`Bastian Kauschke-0/+86
2020-09-15This commit introduces the following changes:Hameer Abbasi-3/+57
* Change error message for type param in a const expression when using min_const_generics * Change ParamInNonTrivialAnonConst to contain an extra bool used for distinguishing whether the passed-in symbol is a type or a value.
2020-09-13bless testsBastian Kauschke-4/+8
2020-09-10Respond to review comments.Hameer Abbasi-74/+7
2020-09-09Add revisions to const generic issue UI tests.Hameer Abbasi-149/+467
2020-09-07Add regression test and help notekadmin-0/+39
2020-09-02pretty: trim paths of unique symbolsDan Aloni-22/+22
If a symbol name can only be imported from one place for a type, and as long as it was not glob-imported anywhere in the current crate, we can trim its printed path and print only the name. This has wide implications on error messages with types, for example, shortening `std::vec::Vec` to just `Vec`, as long as there is no other `Vec` importable anywhere. This adds a new '-Z trim-diagnostic-paths=false' option to control this feature. On the good path, with no diagnosis printed, we should try to avoid issuing this query, so we need to prevent trimmed_def_paths query on several cases. This change also relies on a previous commit that differentiates between `Debug` and `Display` on various rustc types, where the latter is trimmed and presented to the user and the former is not.
2020-08-31Fix duplicate error messages in const_generics testsAmjad Alsharafi-30/+18
2020-08-26Fixed file formatting and made `tidy` happyAmjad Alsharafi-1/+2
2020-08-26Added more min_const_generics revisions to testsAmjad Alsharafi-157/+224
2020-08-26Added a lot of min_const_generics revisionsAmjad Alsharafi-69/+202
2020-08-18change const param ty warning messageBastian Kauschke-10/+10
2020-08-18run wfcheck in parralel again, add test for 74950Bastian Kauschke-11/+73
2020-08-18move const param structural match checks to wfcheckBastian Kauschke-0/+15
2020-08-08Auto merge of #74877 - lcnr:min_const_generics, r=oli-obkbors-47/+136
Implement the `min_const_generics` feature gate Implements both https://github.com/rust-lang/lang-team/issues/37 and https://github.com/rust-lang/compiler-team/issues/332. Adds the new feature gate `#![feature(min_const_generics)]`. This feature gate adds the following limitations to using const generics: - generic parameters must only be used in types if they are trivial. (either `N` or `{ N }`) - generic parameters must be either integers, `bool` or `char`. We do allow arbitrary expressions in associated consts though, meaning that the following is allowed, even if `<[u8; 0] as Foo>::ASSOC` is not const evaluatable. ```rust trait Foo { const ASSOC: usize; } impl<const N: usize> Foo for [u8; N] { const ASSOC: usize = 64 / N; } ``` r? @varkor cc @eddyb @withoutboats
2020-08-07test min_const_generics using revisionsBastian Kauschke-45/+134
2020-08-05Auto merge of #75166 - JulianKnodt:i64494, r=lcnrbors-0/+37
Add regression test for #64494 Add regression test to indicate if this compilation ever succeeds. Fixes #64494 r? @lcnr
2020-08-05impl reviewBastian Kauschke-2/+2
2020-08-04Add regression testkadmin-0/+37
2020-08-04Add regression testkadmin-0/+74
As well as matching error outputs
2020-07-26Add test for issue-56445Yuki Okushi-0/+32
2020-07-17add test for #62878Bastian Kauschke-0/+48
2020-07-16Rollup merge of #74392 - lcnr:const-generics-update, r=varkorManish Goregaokar-0/+81
const generics triage I went through all const generics issues and closed all issues which are already fixed. Some issues already have a regression test but were not closed. Also doing this as part of this PR. uff r? @eddyb @varkor closes #61936 closes #62878 closes #63695 closes #67144 closes #68596 closes #69816 closes #70217 closes #70507 closes #70586 closes #71348 closes #71805 closes #73120 closes #73508 closes #73730 closes #74255
2020-07-16add regression test for #74255Bastian Kauschke-0/+18
2020-07-16add regression test for #73508Bastian Kauschke-0/+23
2020-07-16add regression test for #73491Bastian Kauschke-0/+9
2020-07-16add regression test for #73120Bastian Kauschke-0/+22
2020-07-16add regression test for #71169Bastian Kauschke-0/+27
2020-07-16add regression test for #68596Bastian Kauschke-0/+18
2020-07-16bless ui testsBastian Kauschke-0/+2
2020-07-16update help messageBastian Kauschke-3/+3
2020-07-16don't supply generics to AnonConsts in param listsBastian Kauschke-0/+9
2020-07-16forbid generic params in the type of const paramsBastian Kauschke-3/+24
2020-06-28Add test for issue-72352Yuki Okushi-0/+29
2020-06-28Add test for issue-71611Yuki Okushi-0/+17
2020-06-28Add test for issue-71382Yuki Okushi-0/+32
2020-06-27Add test for issue-71381Yuki Okushi-0/+47
2020-06-08fixup! Add regression test for const generic ICE in #72819Ayaz Hafiz-1/+1
2020-06-08fixup! Add regression test for const generic ICE in #72819Ayaz Hafiz-0/+3
2020-06-06fixup! Add regression test for const generic ICE in #72819Ayaz Hafiz-1/+2
2020-06-06Add regression test for const generic ICE in #72819Ayaz Hafiz-0/+26
Closes #72819
2020-06-02update testsBastian Kauschke-4/+11
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