--WARNING----------
Double declaration for `foo' slot.
Line 5 column 11 in Main(.../test/misc/9/main.li):
  - foo foo:Int <-
           ^

Line 6 column 9 in Main(.../test/misc/9/main.li):
  ( + foo:Int
         ^
--WARNING----------
Conflict `foo' name between slot and local.
Line 5 column 16 in Main(.../test/misc/9/main.li):
  - foo foo:Int <-
                ^

Line 6 column 9 in Main(.../test/misc/9/main.li):
  ( + foo:Int
         ^
