[GHC] #10823: Don't mark functions with annotations as dead

[GHC]

#10823: Don't mark functions with annotations as dead
-------------------------------------+-------------------------------------
        Reporter:  spinda            |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Template Haskell  |                 Version:  7.10.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by simonpj):

 Perhaps if we had a library type
 {{{
 data KeepAlive = KeepAlive
 }}}
 then you could add a `KeepAlive` annotation
 {{{
 {-# ANN thing KeepAlive #-}
 }}}
 with the intent that anything with a `KeepAlive` annotation (rather than
 with ''any'' annotation) is kept alive

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10823#comment:14>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler