
#15449: Nondeterministic Failure on aarch64 with -jn, n > 1 -------------------------------------+------------------------------------- Reporter: tmobile | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 Resolution: | Keywords: Operating System: Linux | Architecture: aarch64 Type of failure: Compile-time | Test Case: crash or panic | Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by trommler): Replying to [comment:5 bgamari]:
Actually, I don't think it's true that what suggestion in comment:2 is quite right. The fact that there is a barrier is embodied by the `True` argument of `genLoadW` (which the definition site binds to the name `atomic`). This gets lowered as a `seq_cst` load. Yes, my bad. Sorry for the noise.
-- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15449#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler