#12469: Memory fence on writes to MutVar/Array missing on ARM -------------------------------------+------------------------------------- Reporter: rrnewton | Owner: Type: bug | Status: patch Priority: normal | Milestone: 8.0.2 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: memory model Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect result | Unknown/Multiple at runtime | Test Case: Blocked By: | Blocking: 12537 Related Tickets: | Differential Rev(s): Phab:D2495 Wiki Page: | Phab:D2525 -------------------------------------+------------------------------------- Changes (by trommler): * owner: trommler => Comment: Hmm, and in another package: {{{ ghc: internal error: ARR_WORDS object entered! (GHC version 8.0.1 for powerpc64le_unknown_linux) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} It looks like quite a few more memory barriers are missing. I don't have enough time right now to work on this. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12469#comment:19 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler