[GHC] #7339: GHC fails to build from source on Alpha

[GHC]

#7339: GHC fails to build from source on Alpha
----------------------------------+-----------------------------------------
  Reporter:  creemj               |          Owner:  igloo  
      Type:  bug                  |         Status:  closed 
  Priority:  normal               |      Milestone:  7.8.1  
 Component:  Compiler             |        Version:  7.6.1  
Resolution:  fixed                |       Keywords:         
        Os:  Linux                |   Architecture:  alpha  
   Failure:  Building GHC failed  |     Difficulty:  Unknown
  Testcase:                       |      Blockedby:         
  Blocking:                       |        Related:         
----------------------------------+-----------------------------------------

Comment(by igloo):

 I applied slyfox's change for `ArchUnknown` too, but I don't see the harm
 in also explicitly stating that mipseb, mipsel and alpha are known to need
 aligned loads.

 What ifdefs are you referring to?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7339#comment:16>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler