swift

3e1cc7e6 - DiagnoseInfiniteRecursion: improve detection in (potentially) overridden class methods.

DiagnoseInfiniteRecursion: improve detection in (potentially) overridden class methods. Even if a class method is (or could be) overridden, it's a recursive call if it's called on the self argument: ``` class X { // Even if foo() is overridden in a derived class, it'll end up in an // infinite recursion if initially called on an instance of `X`. func foo() { foo() } } ``` rdar://89076581