[llvm] [llvm][DebugInfo] Use formatv in DWARFExpressionPrinter (PR #191993)

[Konrad Kleine via llvm-commits]

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@@ -176,7 +176,8 @@ void printDwarfExpression(const DWARFExpression *E, raw_ostream &OS,
     if (!printOp(&Op, OS, DumpOpts, E, U) && !DumpOpts.PrintRegisterOnly) {
       uint64_t FailOffset = Op.getEndOffset();
       while (FailOffset < E->getData().size())
-        OS << format(" %02x", static_cast<uint8_t>(E->getData()[FailOffset++]));
+        OS << formatv(" {0:x-2}",
+                      static_cast<uint8_t>(E->getData()[FailOffset++]));
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kwk wrote:

This makes sense. I've removed the casts.

https://github.com/llvm/llvm-project/pull/191993