
#13615: Nondeterminism in ‘pure’ function w/ parallel evaluation & memo combinators -------------------------------------+------------------------------------- Reporter: pacak | Owner: bgamari Type: bug | Status: new Priority: highest | Milestone: 8.2.1 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 andrewthad): I have simplified the example failure here: https://github.com/andrewthad /cuddly-bassoon/tree/9e87acbc43b10d38758e6263b8d17231cb1f3ed7 In this commit, I entirely removed the use of hashmap and hashable. I'm just adding up the numbers in an STRef, and the problem still shows up. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13615#comment:41 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler