diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 3a9b4c7ace40..be684d46cb7b 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -379,6 +379,7 @@ void CGDebugInfo::CreateCompileUnit() {
       DebugKind <= CodeGenOptions::DebugLineTablesOnly
           ? llvm::DIBuilder::LineTablesOnly
           : llvm::DIBuilder::FullDebug,
+      0 /* DWOid */,
       DebugKind != CodeGenOptions::LocTrackingOnly);
 }