[GHC] #13900: Core lint in BuildFlavour=perf-llvm

[GHC]

#13900: Core lint in BuildFlavour=perf-llvm
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        Reporter:  bgamari           |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 Replying to [comment:4 dfeuer]:
 > bgamari, what stage 0 compiler are you using? What version of LLVM?

 GHC 8.2.1; LLVM 5.0.0.

 > Also, are you passing -fPIC specifically somewhere?

 Nope; I made only the changes described in the summary.



 > Another question: what exactly am I supposed to do about the fact that
 the stage 0 compiler and the stage 1 compiler each want only their
 preferred LLVM versions, and those are different?

 Both should use version-suffixed LLVM executable names. `configure` uses
 such executables preferentially when searching for LLVM.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13900#comment:8>
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