[llvm] [BOLT][DWARF] Add support for DW_IDX_parent (PR #85285)

[Maksim Panchenko via llvm-commits]

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@@ -51,8 +54,10 @@ class DWARF5AcceleratorTable {
   /// Add DWARF5 Accelerator table entry.
   /// Input is DWARFUnit being processed, DIE that belongs to it, and potential
   /// SkeletonCU if the Unit comes from a DWO section.
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maksfb wrote:

Needs update as well.

https://github.com/llvm/llvm-project/pull/85285