[clang] [lldb] Reland "[clang][DebugInfo] Emit global variable definitions for static data members with constant initializers" (PR #71780)

[Michael Buch via cfe-commits]

Michael137 wrote:

> Fantastic!

@ilovepi To clarify the upcoming change, we are planning to attach the `DW_AT_const_value` to the definition, not the declaration like we used to. In case that's what your unit-test is expecting

https://github.com/llvm/llvm-project/pull/71780