I just did a clean build on top of the current master (I was building on top of ghc-7.8) and it worked!
Thanks! -- Luís Gabriel On Sun Jan 18 2015 at 9:35:35 AM Sergei Trofimovich <sly...@gmail.com> wrote: > On Sat, 17 Jan 2015 23:20:30 +0000 > Luís Gabriel <lam...@gmail.com> wrote: > > > Hi there, > > > > I'm doing some experiments with the GHC time profiler and I need to add a > > new field to the Cost Centre structures. I managed to add the field in > the > > *CCS.h* header as well as in *codeGen/StgCmmProf.hs* but for some reason > > the program is crashing during garbage collection. > > > > As I have no experience with the GHC internals, I'm having trouble to > find > > the problem. It would be very nice if someone could give me some clue to > > find this bug. > > > > The patch on GHC as well as the test sample and stack traces can be found > > here: https://gist.github.com/luisgabriel/39d51cf4d661c7e62e22 > > I tried your patch as-is on current ghc-HEAD/amd64 and it works fine. > (might easily be another problem) > > What I am suspicious about is you are using > '-prof -debug' and plain 'ghc'. > > Could it be that you didn't add > GhcRTSWays += debug_p > in your build.mk after a patch was tweaked last time > and some old runtime against new ghc was used? > > I usually use inplace/bin/ghc-stage2 right > after compilation without installation. > > -- > > Sergei >
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