diff --git a/polly/include/polly/ScopDetectionDiagnostic.h b/polly/include/polly/ScopDetectionDiagnostic.h
index 536cff97838d..ab4126d7043e 100644
--- a/polly/include/polly/ScopDetectionDiagnostic.h
+++ b/polly/include/polly/ScopDetectionDiagnostic.h
@@ -180,6 +180,8 @@ public:
   /// @return true, if we store at least one error.
   bool hasErrors() const { return size() > 0; }
 
+  void print(raw_ostream &OS, int level = 0) const;
+
   const Region *region() const { return R; }
   void report(RejectReasonPtr Reject) { ErrorReports.push_back(Reject); }
 };
diff --git a/polly/lib/Analysis/ScopDetectionDiagnostic.cpp b/polly/lib/Analysis/ScopDetectionDiagnostic.cpp
index 78e187ded2f8..f3f5a73136fa 100644
--- a/polly/lib/Analysis/ScopDetectionDiagnostic.cpp
+++ b/polly/lib/Analysis/ScopDetectionDiagnostic.cpp
@@ -149,6 +149,13 @@ const llvm::DebugLoc &RejectReason::getDebugLoc() const {
   return Unknown;
 }
 
+// RejectLog.
+void RejectLog::print(raw_ostream &OS, int level) const {
+  int j = 0;
+  for (auto Reason : ErrorReports)
+    OS.indent(level) << "[" << j++ << "] " << Reason->getMessage() << "\n";
+}
+
 //===----------------------------------------------------------------------===//
 // ReportCFG.