anchor.diff:                      let (_, binding) = frame.[index]
                       Some binding
   
  -            let private addDeclarationBinding name value env =
  +            let private forceAddDeclarationBinding name value env =
                   if env.LocalDeclaration
                   then env.LocalFrame.ForceAdd (name, value)
                   else env.GlobalFrame.ForceAdd (name, value)
       
               let tryAddDeclarationBinding name value env =
                   if (env.Rebinding || not ^ env.LocalFrame.ContainsKey name) then
  -                    addDeclarationBinding name value env
  +                    forceAddDeclarationBinding name value env
                       Some env
                   else None
       
  
positive.code:                   LocalDeclaration : bool
                    GlobalFrame : DeclarationFrame
                    LocalFrame : DeclarationFrame
                    ProceduralFrames : ProceduralFrame list }
      
          [<RequireQualifiedAccess; CompilationRepresentation (CompilationRepresentationFlags.ModuleSuffix)>]
  
negative.code: 
              let tryGetDeclarationBinding name env =
                  match env.LocalFrame.TryGetValue name with
                  | (false, _) ->
                      match env.GlobalFrame.TryGetValue name with
                      | (false, _) -> None
                      | (true, value) -> Some value
                  | (true, value) -> Some value
      
              let tryGetProceduralBinding name env =
                  let refOffset = ref -1
  