1 files changed, 4 insertions, 2 deletions
diff --git a/lib/DebugInfo/PDB/Native/DbiStream.cpp b/lib/DebugInfo/PDB/Native/DbiStream.cpp
index 320b11dc5cab..24322d942fac 100644
--- a/lib/DebugInfo/PDB/Native/DbiStream.cpp
+++ b/lib/DebugInfo/PDB/Native/DbiStream.cpp
@@ -216,10 +216,12 @@ FixedStreamArray<SecMapEntry> DbiStream::getSectionMap() const {
 
 void DbiStream::visitSectionContributions(
     ISectionContribVisitor &Visitor) const {
-  if (SectionContribVersion == DbiSecContribVer60) {
+  if (!SectionContribs.empty()) {
+    assert(SectionContribVersion == DbiSecContribVer60);
     for (auto &SC : SectionContribs)
       Visitor.visit(SC);
-  } else if (SectionContribVersion == DbiSecContribV2) {
+  } else if (!SectionContribs2.empty()) {
+    assert(SectionContribVersion == DbiSecContribV2);
     for (auto &SC : SectionContribs2)
       Visitor.visit(SC);
   }