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
In https://github.com/llvm/llvm-project/pull/73626 we started attaching `DW_AT_const_value`s on a static data-member's declaration again. In DWARFv5, those static members are represented with a `DW_TAG_variable`. When LLDB builds the `ManualDWARFIndex`, it simply iterates over all DIEs in a CU and puts *any* `DW_TAG_variable` with a constant or location into the index. So when using the manual index, we can end up having 2 entries for a static data member in the index, one for the declaration and one for the definition. This caused a test failure on Linux (where DWARFv5 is the default and the tests use the manual index). This patch loosens the restriction that we find exactly 1 variable.