[clang] [clang][DebugInfo] Attach DW_AT_const_value to static data-member definitions if available (PR #72730)

[Michael Buch via cfe-commits]

Michael137 wrote:

I extracted the parts that are clean-ups/bugfixes into a new PR: https://github.com/llvm/llvm-project/pull/72974

https://github.com/llvm/llvm-project/pull/72730