mkClosureLabel id = IdLabel (CLabelId id) Closure
mkInfoTableLabel id = IdLabel (CLabelId id) InfoTbl
mkStdEntryLabel id = IdLabel (CLabelId id) EntryStd
-mkFastEntryLabel id arity = --false:ASSERT(arity > 0)
+mkFastEntryLabel id arity = ASSERT(arity > 0)
IdLabel (CLabelId id) (EntryFast arity)
mkConEntryLabel id = IdLabel (CLabelId id) ConEntry
mkStaticConEntryLabel id = IdLabel (CLabelId id) StaticConEntry