[llvm] Move a lot of symbol code to use the symbol string pool (PR #115796)

[Lang Hames via llvm-commits]

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@@ -825,8 +826,8 @@ Error CompactUnwindSplitter::operator()(LinkGraph &G) {
         if (E.getOffset() == 0) {
           LLVM_DEBUG({
             dbgs() << "    Updating compact unwind record at "
-                   << CURec->getAddress() << " to point to "
-                   << (E.getTarget().hasName() ? E.getTarget().getName()
+                   << formatv("{0:x16}", CURec->getAddress()) << " to point to "
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lhames wrote:

The `formatv` change shouldn't be necessary?

https://github.com/llvm/llvm-project/pull/115796