#8568: internal error: allocation of ... bytes too large -------------------------------------+------------------------------------- Reporter: mojojojo | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Unknown Type of failure: Runtime | Blocked By: crash | Related Tickets: #9647 Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Changes (by thomie): * failure: None/Unknown => Runtime crash Old description:

Running the following GHCi session: {{{ import GHC.DataSize import qualified Data.HashTable.IO as HT import Control.Monad t <- HT.new :: IO (HT.BasicHashTable Int Char) forM_ [0..100000] $ \i -> HT.insert t i 'a' recursiveSize t }}} results in the following error: {{{ <interactive>: internal error: allocation of 1208480 bytes too large (GHC should have complained at compile-time) (GHC version 7.6.3 for x86_64_apple_darwin) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Abort trap: 6 }}}

New description: Running the following program after normal compilation: {{{ import GHC.DataSize import qualified Data.HashTable.IO as HT import Control.Monad main = do t <- HT.new :: IO (HT.BasicHashTable Int Char) forM_ [0..100000] $ \i -> HT.insert t i 'a' recursiveSize t return () }}} results in the following error: {{{ internal error: allocation of 1208480 bytes too large (GHC should have complained at compile-time) (GHC version 7.8.3 for x86_64_unknown_linux) }}} To reproduce, first: `cabal install ghc-datasize hashtables`. -- Comment: Can not install dependencies with ghc-7.9.20141115, so don't know if this fixed in HEAD. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8568#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler