T14390.stderr\should_fail\typecheck\tests\testsuite - delta/haskell.git - gitlab.haskell.org: ghc/ghc.git

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path: root/testsuite/tests/typecheck/should_fail/T14390.stderr

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T14390.hs:4:10: error: [GHC-97044]
    • Class ‘~~’ does not support user-specified instances.
    • In the instance declaration for ‘(~~) Int Int’