testsuite/tests/polykinds/T13267.hs · 49f69f50afbfd352f0e9645b4dbe87200e63b37e · Reinier Maas / GHC

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8 years ago

Disallow class instances for synonyms · c7508083

See Trac #13267 and Note [Instances and constraint synonyms]
in TcValidity.

We can't easily do a perfect job, because the rename is really trying
to do its lookup too early.  But this is at least an improvement.

c7508083

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Disallow class instances for synonyms

Simon Peyton Jones authored 8 years ago

See Trac #13267 and Note [Instances and constraint synonyms]
in TcValidity.

We can't easily do a perfect job, because the rename is really trying
to do its lookup too early.  But this is at least an improvement.

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