diff --git a/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp
index 2e72242..7b972a1 100644
--- a/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp
+++ b/llvm/lib/DebugInfo/CodeView/DebugStringTableSubsection.cpp
@@ -23,6 +23,9 @@
   Stream = Contents;
   return Error::success();
 }
+Error DebugStringTableSubsectionRef::initialize(BinaryStreamReader &Reader) {
+  return Reader.readStreamRef(Stream, Reader.bytesRemaining());
+}
 
 Expected<StringRef>
 DebugStringTableSubsectionRef::getString(uint32_t Offset) const {