[llvm] [BOLT][DWARF] Cleanup buffer initialization for DWO range writer (PR #97843)

[Alexander Yermolovich via llvm-commits]

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@@ -137,11 +137,13 @@ DebugRangesSectionWriter::DebugRangesSectionWriter() {
   RangesBuffer = std::make_unique<DebugBufferVector>();
   RangesStream = std::make_unique<raw_svector_ostream>(*RangesBuffer);
 
-  // Add an empty range as the first entry;
-  writeAddressRanges(*RangesStream.get(), DebugAddressRangesVector{});
   Kind = RangesWriterKind::DebugRangesWriter;
 }
 
+void DebugRangesSectionWriter::initSection() {
+  writeAddressRanges(*RangesStream.get(), DebugAddressRangesVector{});
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ayermolo wrote:

Dropped comment

https://github.com/llvm/llvm-project/pull/97843