[GHC] #10421: exponential blowup in inlining (without INLINE pragmas)

[GHC]

#10421: exponential blowup in inlining (without INLINE pragmas)
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        Reporter:  rwbarton          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.6.3
      Resolution:                    |             Keywords:  Inlining
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 Thank you!  Looking at the code, it looks just like #13253.  Clearly
 something is wrong here.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10421#comment:5>
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