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| author | sheaf <sam.derbyshire@gmail.com> | 2021-10-05 18:16:27 +0200 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-10-06 10:58:03 -0400 |
| commit | a466b02492f73a43c6cb9ce69491fc85234b9559 (patch) | |
| tree | 6d4f7c1d0ad4609fa1878d44f0e1e20b8c4501ef /testsuite/tests/determinism/determ009 | |
| parent | 9af29e7fa81a8696a2d829a0ecbebcbc8be5badd (diff) | |
| download | haskell-a466b02492f73a43c6cb9ce69491fc85234b9559.tar.gz | |
Improve overlap error for polykinded constraints
There were two problems around `mkDictErr`:
1. An outdated call to `flattenTys` meant that we missed out on some
instances. As we no longer flatten type-family applications,
the logic is obsolete and can be removed.
2. We reported "out of scope" errors in a poly-kinded situation
because `BoxedRep` and `Lifted` were considered out of scope.
We fix this by using `pretendNameIsInScope`.
fixes #20465
Diffstat (limited to 'testsuite/tests/determinism/determ009')
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