[llvm] [llvm][DebugInfo] formatv in DWARFDebugPubTable (PR #191988)

[Sergei Barannikov via llvm-commits]

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@@ -93,24 +95,30 @@ void DWARFDebugPubTable::extract(
 void DWARFDebugPubTable::dump(raw_ostream &OS) const {
   for (const Set &S : Sets) {
     int OffsetDumpWidth = 2 * dwarf::getDwarfOffsetByteSize(S.Format);
-    OS << "length = " << format("0x%0*" PRIx64, OffsetDumpWidth, S.Length);
+    OS << "length = "
+       << formatv("0x{0:x-}",
+                  fmt_align(S.Length, AlignStyle::Right, OffsetDumpWidth, '0'));
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s-barannikov wrote:

This pattern is used frequently, maybe it makes sense to extract this into a helper function / add a custom adapter (local to DebugInfo/DWARF?)? This would avoid confusion with `0x{0:x-}`.
Maybe it could support omitting `0x` to adopt wider use.


https://github.com/llvm/llvm-project/pull/191988