1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 231f450c9b4..b379745b4af 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -1313,6 +1313,14 @@ void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) {
 void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) {
   VisitExpr(S);
   VisitDecl(S->getPack());
+  if (S->isPartiallySubstituted()) {
+    auto Args = S->getPartialArguments();
+    ID.AddInteger(Args.size());
+    for (const auto &TA : Args)
+      VisitTemplateArgument(TA);
+  } else {
+    ID.AddInteger(0);
+  }
 }
 
 void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr(