swift

6a2bfe98 - [ConstraintSystem] Strip labels from enum elements when passed as values

[ConstraintSystem] Strip labels from enum elements when passed as values Enum elements have to be treated the same way as regular functions when passed as values, which means labels have to be stripped from their argument types. Resolves: rdar://problem/32300339. (cherry picked from commit 5523ca7b9ff87b5ad308e4508dc72b9fc137919d)