[GHC] #15337: Warning not showing up when deprecated variable is explicitly imported

[GHC]

#15337: Warning not showing up when deprecated variable is explicitly imported
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           Reporter:  alanasp        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  Compiler       |           Version:  8.4.3
           Keywords:  deprecation    |  Operating System:  Unknown/Multiple
  warning                            |
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 In the case below a deprecation warning does not show up.

 {{{#!hs
 {- ModuleA -}
 module ModuleA where

 {-# DEPRECATED func "func is deprecated" #-}
 func :: Int
 func = 42

 {- ModuleB -}
 module ModuleB where
 import ModuleA(func)
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15337>
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