testsuite/tests/typecheck/should_fail/T13068.stderr


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[1 of 5] Compiling T13068[boot]     ( T13068.hs-boot, T13068.o-boot )
[2 of 5] Compiling T13068a          ( T13068a.hs, T13068a.o )

T13068a.hs:3:10: error: [GHC-51758]
    • Cannot define instance for abstract class ‘C’
    • In the instance declaration for ‘C Int’