[clang] [llvm] [DebugInfo] Emit DW_AT_const_value for constexpr array static members (PR #182442)

[Vladislav Dzhidzhoev via llvm-commits]

dzhidzhoev wrote:

> On an actual LLVM source file (CommandLine.cpp), the diff is literally zero, no constexpr array static members, no cost.

It’s more interesting to see how this change impacts an existing, larger codebase.
Could you compare the debug info size of the bin/clang binary built with and without your change?

https://github.com/llvm/llvm-project/pull/182442