Orphanck: Reject uncovered opaque types#135910
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fmease wants to merge 3 commits intorust-lang:mainfrom
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Orphanck: Reject uncovered opaque types#135910fmease wants to merge 3 commits intorust-lang:mainfrom
fmease wants to merge 3 commits intorust-lang:mainfrom
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| // FIXME(fmease): This is a temporary HACK; rework it. In the next solver, | ||
| // we normalize structurally meaning opaque types "remain behind" weak | ||
| // aliases. I kind of want to expand_weak_alias_tys this but that's | ||
| // pretty hacky, too. |
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The HACK mentioned in the PR description.
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Yeah 🤔 I don't really know what to do here. I feel like ideally we potentially don't need to recompute things here and report an error using only the original uncovered type as this folder is somewhat :/
I am personally fine with slightly regressing diagnostics here if necessary for that, but don't have a clear idea of how bad this would be
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| ControlFlow::Break(OrphanCheckEarlyExit::LocalTy(ty)) | ||
| } | ||
| } else { | ||
| // Regarding *opaque types* specifically, we choose to treat them as non-local, |
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We probably want to bring back some of these nicely written points.
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☔ The latest upstream changes (presumably #152213) made this pull request unmergeable. Please resolve the merge conflicts. |
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Fixes #130978.
Fixes #136188.
TODO: Fix blocking
FIXME(fmease)s.TODO: Clean up tests.
Feel free to review already though!
r? lcnr