[llvm] [dsymutil] Fix parallel linker's self-recursive typedef DIE by including referred-to types into synthetic name (PR #166767)

[Alexey Lapshin via llvm-commits]

avl-llvm wrote:

I do not think there are more errors here. The DW_AT_linkage_name/DW_AT_name attribute should be enough to unique types(except special cases already listed in SyntheticTypeNameBuilder::addTypeName).

https://github.com/llvm/llvm-project/pull/166767