#15728: Program with safe array operations triggers debug runtime assertion -------------------------------------+------------------------------------- Reporter: osa1 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Runtime System | Version: 8.6.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): It appears that the write in question comes from code emitted for `writeSmallArray#`: {{{ Hardware watchpoint 1: *(void**) 0x4200105788 Old value = (void *) 0xaaaaaaaaaaaaaaaa New value = (void *) 0x4200012f01 0x000000000041fb51 in .Lslgf_info () at primitive/Data/Primitive/SmallArray.hs:191 191 primitive_ $ writeSmallArray# sma# i# x }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15728#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler