testsuite/tests/ghc-regress/typecheck/should_fail/tcfail018.stderr


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tcfail018.hs:5:10:
    No instance for (Num [t0])
      arising from the literal `1'
    Possible fix: add an instance declaration for (Num [t0])
    In the expression: 1
    In a pattern binding: (a : []) = 1