#7919: Heap corruption (segfault) from large 'let' expression -------------------------------+-------------------------------------------- Reporter: duncan | Owner: simonmar Type: bug | Status: patch Priority: high | Milestone: 7.8.1 Component: Runtime System | Version: 7.6.3 Keywords: | Os: Linux Architecture: x86_64 (amd64) | Failure: Runtime crash Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | -------------------------------+-------------------------------------------- Comment(by igloo): Ah, something more sinister is going on. Andres pointed out that if you change 511 to 512 in `Large.hs`, then the assert still happens. In that case, we get `size == 513`, but `bd.blocks == 1` and `BLOCK_SIZE_W` is only 512. -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7919#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler