[Lldb-commits] [lldb] Improve performance of .debug_names lookups when DW_IDX_parent attributes are used (PR #91808)

[Pavel Labath via lldb-commits]

================
@@ -83,6 +83,10 @@ bool DebugNamesDWARFIndex::ProcessEntry(
   DWARFDIE die = dwarf.GetDIE(*ref);
   if (!die)
     return true;
+  // Watch out for forward declarations that appear in the .debug_names tables
+  // only due to being there for a DW_IDX_parent.
----------------
labath wrote:

```suggestion
  // Clang erroneously emits index entries for declaration DIEs in case when the
  // definition is in a type unit (llvm.org/pr77696). Weed those out.
```

https://github.com/llvm/llvm-project/pull/91808
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