#15728: Program with safe array operations triggers debug runtime assertion -------------------------------------+------------------------------------- Reporter: osa1 | Owner: (none) Type: bug | Status: closed Priority: highest | Milestone: Component: Runtime System | Version: 8.6.1 Resolution: invalid | 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: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: new => closed * resolution: => invalid Comment: Sigh. The problem was staring at me the entire time: the testcase is wrong. Specifically: {{{#!hs arr <- newSmallArray n 0 forM_ [1..n] $ \i -> writeSmallArray arr i i }}} `[1..n]` will produce an out-of-bounds index for the allocated array. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15728#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler