Better error for data deriving of type synonym/family. Closes #23522 (924a2362) · Commits · Reinier Maas / GHC · GitLab

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924a2362

Commit 924a2362 authored 1 year ago by Gregory Gerasev Committed by Marge Bot 1 year ago

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Better error for data deriving of type synonym/family. Closes #23522

parent aa2db0ae

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Changes 5

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compiler/GHC/Tc/Errors/Types.hs 5 additions, 1 deletion

compiler/GHC/Tc/Errors/Types.hs
compiler/GHC/Tc/Gen/HsType.hs 9 additions, 4 deletions

compiler/GHC/Tc/Gen/HsType.hs
testsuite/tests/deriving/should_fail/T23522.hs 5 additions, 0 deletions

testsuite/tests/deriving/should_fail/T23522.hs
testsuite/tests/deriving/should_fail/T23522.stderr 5 additions, 0 deletions

testsuite/tests/deriving/should_fail/T23522.stderr
testsuite/tests/deriving/should_fail/all.T 1 addition, 0 deletions

testsuite/tests/deriving/should_fail/all.T

with 25 additions and 5 deletions

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