diff --git a/flang/lib/Frontend/FrontendActions.cpp b/flang/lib/Frontend/FrontendActions.cpp
--- a/flang/lib/Frontend/FrontendActions.cpp
+++ b/flang/lib/Frontend/FrontendActions.cpp
@@ -37,7 +37,7 @@
 }
 
 bool PrescanAndSemaAction::BeginSourceFileAction() {
-  return RunPrescan() & RunParse() && RunSemanticChecks();
+  return RunPrescan() && RunParse() && RunSemanticChecks();
 }
 
 //===----------------------------------------------------------------------===//