[GHC] #16075: Weverything ignores some OPTIONS_GHC flags

[GHC]

#16075: Weverything ignores some OPTIONS_GHC flags
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        Reporter:  crockeea          |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.2
      Resolution:  invalid           |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  error/warning at compile-time      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by crockeea):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 Upon further review, I do not think there is a bug here. The problem
 appears to be that when using `-Wall`, a `-Wmissing-signature` warning is
 issued, thus adding the pragma makes the warning go away. But with the
 same pragma and `-Weverything`, a `-Wmissing-exported-signature` is
 issued, which the pragma doesn't affect. I just missed that the warning
 changed.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16075#comment:4>
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