Index: include/llvm/ProfileData/InstrProf.h
===================================================================
--- include/llvm/ProfileData/InstrProf.h
+++ include/llvm/ProfileData/InstrProf.h
@@ -753,7 +753,7 @@
 
 uint32_t InstrProfRecord::getNumValueData(uint32_t ValueKind) const {
   uint32_t N = 0;
-  const std::vector<InstrProfValueSiteRecord> &SiteRecords =
+  ArrayRef<InstrProfValueSiteRecord> SiteRecords =
       getValueSitesForKind(ValueKind);
   for (auto &SR : SiteRecords) {
     N += SR.ValueData.size();