1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/include/llvm/Support/BinaryStreamReader.h b/llvm/include/llvm/Support/BinaryStreamReader.h
index f30d82d81b2..207c4ab034d 100644
--- a/llvm/include/llvm/Support/BinaryStreamReader.h
+++ b/llvm/include/llvm/Support/BinaryStreamReader.h
@@ -31,6 +31,7 @@ namespace llvm {
 /// are overridable.
 class BinaryStreamReader {
 public:
+  BinaryStreamReader() = default;
   explicit BinaryStreamReader(BinaryStreamRef Stream);
   virtual ~BinaryStreamReader() {}
 
@@ -227,6 +228,9 @@ public:
   /// \returns the next byte in the stream.
   uint8_t peek() const;
 
+  std::pair<BinaryStreamReader, BinaryStreamReader>
+  split(uint32_t Offset) const;
+
 private:
   BinaryStreamRef Stream;
   uint32_t Offset;