dclass -t swift causes error: Multiple internal symbols found for 'count'

**Steps to reproduce**:

lldb
(lldb) file /System/Applications/Siri.app
(lldb) dclass -t swift
Dumping classes

**Expected output**:
List of classes

**Actual output**:
error: error: error: Multiple internal symbols found for 'count'
id = {0x00005199}, range = [0x00000001eae6de68-0x00000001eae6de6c), name="count"
id = {0x0000060e}, range = [0x00000001eb110278-0x00000001eb11027c), name="count"