I wonder if you are compiling with 8.2.1? It's broken. You need 8.2.2 | -----Original Message----- | From: ghc-devs <ghc-devs-bounces@haskell.org> On Behalf Of David Feuer | Sent: 16 April 2018 18:22 | To: ghc-devs@haskell.org | Subject: CI builds failing | | It looks like the recent differential builds are all failing like this: | | compiler/main/DynamicLoading.hs:79:19: warning: [-Wunused-matches] | Defined but not used: ‘hsc_env’ | | | 79 | initializePlugins hsc_env df | | ^^^^^^^ | ghc: panic! (the 'impossible' happened) | (GHC version 8.2.1 for x86_64-unknown-linux): | runtimeRepPrimRep | typePrimRep (r_apc3 :: TYPE rep_apc2) | rep_apc2 | Call stack: | CallStack (from HasCallStack): | prettyCurrentCallStack, called at | compiler/utils/Outputable.hs:1133:58 in ghc:Outputable | callStackDoc, called at compiler/utils/Outputable.hs:1137:37 in | ghc:Outputable | pprPanic, called at compiler/simplStg/RepType.hs:360:5 in | ghc:RepType | Please report this as a GHC bug: | https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.hask | ell.org%2Fghc%2Freportabug&data=02%7C01%7Csimonpj%40microsoft.com%7C9cae | ba32974343dc3b4008d5a3bea49b%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0% | 7C636594961595926044&sdata=%2Fnn6O17%2BCIhszUh1CtWoiNcrHvuFKEVoYS%2FyWn7 | JDtk%3D&reserved=0 | make[1]: *** [compiler/stage1/build/PrelRules.o] Error 1 | make[1]: *** Waiting for unfinished jobs.... | make: *** [all] Error 2 | | | Oddly, I don't see a commit to master failing like this. What's going | on? | | David | _______________________________________________ | ghc-devs mailing list | ghc-devs@haskell.org | https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail.has | kell.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fghc- | devs&data=02%7C01%7Csimonpj%40microsoft.com%7C9caeba32974343dc3b4008d5a3 | bea49b%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636594961595926044&s | data=oy9JC8aDfj%2BmnyLwDfQQYliavRlu9oXGNLvXYof1uZc%3D&reserved=0