<rdar://problem/13287629>

Fixed an issue with clang 500's new way to represent static class variables where it emits a DW_TAG_member with a DW_AT_external(0x01) attribute and no DW_AT_data_member_location.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176140 91177308-0d34-0410-b5e6-96231b3b80d8