[PDB] Make ModStream::symbols report errors

llvm-svn: 271417
diff --git a/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp b/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp
index 7f59d3b..8b7a715 100644
--- a/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp
+++ b/llvm/lib/DebugInfo/PDB/Raw/ModStream.cpp
@@ -60,5 +60,6 @@
 
 iterator_range<codeview::CVSymbolArray::Iterator>
 ModStream::symbols(bool *HadError) const {
-  return llvm::make_range(SymbolsSubstream.begin(), SymbolsSubstream.end());
+  return llvm::make_range(SymbolsSubstream.begin(HadError),
+                          SymbolsSubstream.end());
 }