#8598: IO hack in demand analyzer gets in the way of CPR -------------------------------------+------------------------------------ Reporter: nomeata | Owner: Type: task | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by nomeata):
In short, CPR info yes, guaranteed-divergence no.
Which is precisely what we obtain from adding `ExitCPR` to the lattice, as {{{ExitCPR `lub` BotCPR = ExitCPR}}}. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8598#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler