support for multiple test variables and var qualifiers in user-defined type classes

compiler/ast.nim

@@ -712,7 +712,6 @@ type
                               # -1 means that the size is unkwown
     align*: int               # the type's alignment requirements
     loc*: TLoc
-    testeeName*: PIdent       # the test variable in user-defined type classes
 
   TPair*{.final.} = object 
     key*, val*: PObject
@@ -1088,7 +1087,6 @@ proc assignType(dest, src: PType) =
   dest.size = src.size
   dest.align = src.align
   dest.destructor = src.destructor
-  dest.testeeName = src.testeeName
   # this fixes 'type TLock = TSysLock':
   if src.sym != nil:
     if dest.sym != nil: