[llvm] [LLVM][DWARF] Add support for monolithic types in .debug_names (PR #70515)

[Alexander Yermolovich via llvm-commits]

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@@ -306,9 +306,18 @@ void DwarfStreamer::emitDebugNames(DWARF5AccelTable &Table) {
   }
 
   Asm->OutStreamer->switchSection(MOFI->getDwarfDebugNamesSection());
+  dwarf::Form Form = DIEInteger::BestForm(/*IsSigned*/ false,
+                                          (uint64_t)UniqueIdToCuMap.size() - 1);
+  /// llvm-dwarfutil doesn't support type units + .debug_names right now anyway,
+  /// so just keeping current behavior.
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ayermolo wrote:

How does current wording sound?

```
  /// llvm-dwarfutil doesn't support type units + .debug_names right now.
  // FIXME: add support for type units + .debug_names. For now the behavior is
  // unsuported.
```

https://github.com/llvm/llvm-project/pull/70515