[clang] [llvm] Reland "[DebugMetadata][DwarfDebug] Support function-local types in lexical block scopes (4/7)" (PR #165032)

[Jeremy Morse via llvm-commits]

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@@ -124,6 +126,8 @@ class BitcodeReaderMetadataList {
   Metadata *back() const { return MetadataPtrs.back(); }
   void pop_back() { MetadataPtrs.pop_back(); }
   bool empty() const { return MetadataPtrs.empty(); }
+  const_iterator begin() { return MetadataPtrs.begin(); }
+  const_iterator end() { return MetadataPtrs.end(); }
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jmorse wrote:

Make the methods `const` too?

https://github.com/llvm/llvm-project/pull/165032