[GHC] #15960: Using -g causes differences in generated core.

[GHC]

#15960: Using -g causes differences in generated core.
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        Reporter:  AndreasK          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.3
       Component:  Compiler          |              Version:  8.6.2
      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 osa1):

 I think this is because `CorePrep` adds ticks in data con workers.
 Comments
 around the code:

 {{{
    -- If we want to generate debug info, we put a source note on the
    -- worker. This is useful, especially for heap profiling.
 }}}

 Why do you think this is a bug?

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15960#comment:1>
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