Pavel Labath c0e1ad779f [lldb] Skip declaration DIEs in the debug_names index (#94744) ...

This makes sure we try to process declaration DIEs that are erroneously
present in the index. Until bd5c6367bd, clang was emitting index
entries for declaration DIEs with DW_AT_signature attributes. This makes
sure to avoid returning those DIEs as the definitions of a type, but
also makes sure to pass through DIEs referring to static constexpr
member variables, which is a (probably nonconforming) extension used by
dsymutil.

It adds test cases for both of the scenarios. It is essentially a
recommit of #91808.

2024-06-11 16:17:25 +02:00

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