duplicates:

• SR-3770 Swift REPL: Automatically printed description of indirect enum is incorrect and may cause infinite loop

Issue Description:

While the following code produces the expected result when compiling it from a source file (prints "node(main.BinaryTree.leaf, main.BinaryTree.node(main.BinaryTree.leaf, main.BinaryTree.leaf))"), the REPL goes into infinite recursion when initialising the constant:

{{
indirect enum BinaryTree {
case leaf
case node(BinaryTree, BinaryTree)
}
let aTree : BinaryTree = .node(.leaf, .node(.leaf, .leaf))
print(aTree)
}}