[GHC] #13507: Changes to environment files don't apply in GHCi on :reload

[GHC]

#13507: Changes to environment files don't apply in GHCi on :reload
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           Reporter:  bgamari        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.4.1
          Component:  GHCi           |           Version:  8.0.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Changes to (or creation of) package environment files don't apply in GHCi
 when the user performs a `:reload`. This is likely contrary to the user's
 expectation. This was first noted in Phab:D3392

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13507>
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