[llvm] [InstrProf]Merge vtable names from multiple sources in llvm-profdata (PR #90100)

[David Li via llvm-commits]

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@@ -385,6 +385,9 @@ void InstrProfWriter::mergeRecordsFromWriter(InstrProfWriter &&IPW,
   for (auto &I : IPW.BinaryIds)
     addBinaryIds(I);
 
+  for (auto& kv: IPW.VTableNames)
+    addVTableName(kv.getKey());
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david-xl wrote:

should we catch inconsistency here instead?

https://github.com/llvm/llvm-project/pull/90100