1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Object/YAML.cpp b/lib/Object/YAML.cpp
index 4e7f089..5b66503 100644
--- a/lib/Object/YAML.cpp
+++ b/lib/Object/YAML.cpp
@@ -49,6 +49,10 @@ void BinaryRef::writeAsBinary(raw_ostream &OS) const {
 }
 
 void BinaryRef::writeAsHex(raw_ostream &OS) const {
+  if (binary_size() == 0) {
+    OS << "\"\"";
+    return;
+  }
   if (DataIsHexString) {
     OS.write((const char *)Data.data(), Data.size());
     return;