#7836: "Invalid object in processHeapClosureForDead" when profiling with -hb -------------------------------------+------------------------------------- Reporter: hyperthunk | Owner: (none) Type: bug | Status: infoneeded Priority: normal | Milestone: Component: Profiling | Version: 7.4.2 Resolution: | Keywords: profiling osx Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime crash | Test Case: Blocked By: | Blocking: Related Tickets: #9640 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by nad): I managed to make the test case a bit smaller: {{{ $ cat Main.hs import System.Exit main = exitSuccess $ ghc --make -prof Main.hs [1 of 1] Compiling Main ( Main.hs, Main.o ) Linking Main ... $ ./Main +RTS -hb Main: internal error: Invalid object in processHeapClosureForDead(): 7 (GHC version 8.2.1 for i386_unknown_linux) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Aborted (core dumped) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7836#comment:17 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler