[GHC] #15403: Compact Regions with Lazy Evaluation

[GHC]

#15403: Compact Regions with Lazy Evaluation
-------------------------------------+-------------------------------------
        Reporter:  andrewthad        |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      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:                    |
-------------------------------------+-------------------------------------

Comment (by andrewthad):

 That's a good point. It may not be possible to teach mutators to allocate
 in a compact region. Even if it is, the extra branch need to do this might
 slow down all programs (even ones that don't need this feature).

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15403#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler