[llvm] [RemoveDIs][NFC] Add DPLabel class [2/3] (PR #82376)

[Stephen Tozer via llvm-commits]

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@@ -2676,6 +2676,7 @@ class AssemblyWriter {
   void printInstruction(const Instruction &I);
   void printDPMarker(const DPMarker &DPI);
   void printDPValue(const DPValue &DPI);
+  void printDPLabel(const DPLabel &DPL);
   void printDbgRecord(const DbgRecord &DPI);
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SLTozer wrote:

`printDbgRecord` should be updated to call through to `printDPLabel`, right?

https://github.com/llvm/llvm-project/pull/82376