Impossible happened : CLabel.toInfoLbl stg_newMVarzh

Compiling ghc git HEAD (2a534087) on arm-linux:

  rts_dist_HC rts/dist/build/Apply.o
  rts_dist_HC rts/dist/build/Exception.o
  rts_dist_HC rts/dist/build/HeapStackCheck.o
  rts_dist_HC rts/dist/build/PrimOps.o
  rts_dist_HC rts/dist/build/StgMiscClosures.o
ghc-stage1: panic! (the 'impossible' happened)
  (GHC version 7.7.20121009 for arm-unknown-linux):
        CLabel.toInfoLbl stg_newMVarzh

Trac metadata

Trac field	Value
Version	7.7
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture	arm