1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp b/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp
index 89673d2..e1c5e20 100644
--- a/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp
@@ -67,6 +67,9 @@ Error ModStream::reload() {
 
 iterator_range<codeview::CVSymbolArray::Iterator>
 ModStream::symbols(bool *HadError) const {
+  // It's OK if the stream is empty.
+  if (SymbolsSubstream.getUnderlyingStream().getLength() == 0)
+    return llvm::make_range(SymbolsSubstream.end(), SymbolsSubstream.end());
   return llvm::make_range(SymbolsSubstream.begin(HadError),
                           SymbolsSubstream.end());
 }