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

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TyAppPat_NonlinearMultiAppPat.hs:13:6: error:
    Type variable ‘a’ is already in scope.
    Type applications in patterns must bind fresh variables, without shadowing.