[GHC] #14476: Keep source locations in Core (optionally)

[GHC]

#14476: Keep source locations in Core (optionally)
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        Reporter:  nomeata           |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Niki):

 So, @bgamari you are saying that if I run ghc with a hight enough
 `debugLevel` (is it just >2?),
 than CoreExpr will preserve all source info as `SourceNote` (inside the
 Ticks).


 I will try it in LH to see if it work, but for completeness, this is
 related to https://ghc.haskell.org/trac/ghc/ticket/10506 (that seem to be
 stale)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14476#comment:6>
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