[GHC] #9349: excessive inlining with -fpre-inlining

[GHC]

#9349: excessive inlining with -fpre-inlining
-------------------------------------+-------------------------------------
              Reporter:  rwbarton    |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  Runtime     |       Blocked By:
  performance bug                    |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------

Comment (by klao):

 I can confirm that `-fno-state-hack` does cure the problem; both in the
 original example and my simplified test case.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9349#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler