Time library broken

[Simon Peyton Jones]

I'm getting this

libraries/time/lib/Data/Time/Clock/Internal/SystemTime.hs:1:14: warning: [-Wtrustworthy-safe]

    'Data.Time.Clock.Internal.SystemTime' is marked as Trustworthy but has been inferred as safe!

  |

1 | {-# LANGUAGE Trustworthy #-}

  |              ^^^^^^^^^^^

Since I use -Werror in stage2, my build fails.
Simon
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