#11760: runST with lazy blackholing breaks referential transparency -------------------------------------+------------------------------------- Reporter: Yuras | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect result | Unknown/Multiple at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonmar): Correct, it's not just `runST`, we would need to use `noDuplicate#` in the definition of `>>=`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11760#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler