[GHC] #1292: -Wall doesn't include all warnings

[GHC]

#1292: -Wall doesn't include all warnings
-------------------------+--------------------------------------------------
    Reporter:  guest     |        Owner:          
        Type:  bug       |       Status:  reopened
    Priority:  normal    |    Milestone:          
   Component:  Compiler  |      Version:  6.7     
    Severity:  normal    |   Resolution:          
    Keywords:            |   Difficulty:  Unknown 
          Os:  Unknown   |     Testcase:          
Architecture:  Unknown   |  
-------------------------+--------------------------------------------------
Changes (by simonmar):

  * resolution:  invalid =>
  * summary:  -fwarn-monomorphism-restriction should be -Wmonomorphism-
              restriction => -Wall doesn't include all
              warnings
  * status:  closed => reopened

Comment:

 `-Wall` should enable all warnings, otherwise it's badly named.  So if we
 have `-fwarn-monomorphism-restriction` at all, it should be in `-Wall`,
 and possibly also in `-W`.  I personally think it's useful and we should
 have it, but it should not be enabled by default.

 If you use `-Wall -Werror`, you should expect your code to break whenever
 a new warning is added.  Perhaps we should emit a warning for this option
 combination :-)

 Incedentally, the following warnings are not in `-Wall` (I believe we
 should fix this):

  * `-fwarn-simple-patterns`
  * `-fwarn-tabs`
  * `-fwarn-incomplete-record-updates`

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1292>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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