Package: ghc Version: 8.4.4+dfsg1-1 Severity: normal Tags: upstream Forwarded: https://ghc.haskell.org/trac/ghc/ticket/16028
ghc-8.4.4 panics while building Agda on armhf[1]. The same version of Agda builds fine with ghc-8.4.3[2]. ghc: panic! (the 'impossible' happened) (GHC version 8.4.4 for arm-unknown-linux): tyThingCoAxiom Identifier ‘fromDescListWithKey’ Call stack: CallStack (from HasCallStack): callStackDoc, called at compiler/utils/Outputable.hs:1150:37 in ghc:Outputable pprPanic, called at compiler/main/HscTypes.hs:2153:32 in ghc:HscTypes Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug [1] https://buildd.debian.org/status/fetch.php?pkg=agda&arch=armhf&ver=2.5.4.1-3%2Bb1&stamp=1544132023&raw=0 [2] https://buildd.debian.org/status/fetch.php?pkg=agda&arch=armhf&ver=2.5.4.1-3&stamp=1540145469&raw=0 -- Ilias