[llvm] [llvm][DebugInfo] formatv in DWARFUnitIndex (PR #191998)

[Sergei Barannikov via llvm-commits]

================
@@ -226,7 +228,7 @@ void DWARFUnitIndex::dump(raw_ostream &OS) const {
          << left_justify(Name,
                          Kind == DWARFSectionKind::DW_SECT_INFO ? 40 : 24);
     else
-      OS << format(" Unknown: %-15" PRIu32, RawSectionIds[i]);
+      OS << formatv(" Unknown: {0, -15}", RawSectionIds[i]);
----------------
s-barannikov wrote:

```suggestion
      OS << formatv(" Unknown: {0,-15}", RawSectionIds[i]);
```

https://github.com/llvm/llvm-project/pull/191998