Your bug report

#45776: Bug? Haskell GHC wont' work since ghc@8.6?

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 45776@debbugs.gnu.org.

-- 
45776: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=45776
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