[clang] [llvm] [clang][DebugInfo] Emit unified (Itanium) mangled name to structor declarations (PR #154142)

[Reid Kleckner via llvm-commits]

rnk wrote:

> Is it expected that `-gno-structor-decl-linkage-names` enables debug information (i.e. it has an effect of `-g -gno-structor-decl-linkage-names`)? I was quite surprised by this, but maybe it's a common behavior of clang options controlling debug information?
> 
> https://gcc.godbolt.org/z/bhbKq5W8W

I think it's a bug, I think it's just a consequence of the use of g_Group, and I'm filing an issue, maybe I can make a patch.

https://github.com/llvm/llvm-project/pull/154142