[GHC] #11138: Kill the terrible LLVM Mangler

[GHC]

#11138: Kill the terrible LLVM Mangler
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        Reporter:  bgamari           |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (LLVM)   |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by dobenour):

 LLVM 3.8 (and presumably later) has the `-stack-alignment` option, which
 we could use.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11138#comment:5>
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