diff --git a/lib/AST/StmtProfile.cpp b/lib/AST/StmtProfile.cpp
index d0f02ae..5d9b8bc 100644
--- a/lib/AST/StmtProfile.cpp
+++ b/lib/AST/StmtProfile.cpp
@@ -245,6 +245,10 @@
   VisitExpr(S);
 }
 
+void StmtProfiler::VisitParenListExpr(ParenListExpr *S) {
+  VisitExpr(S);
+}
+
 void StmtProfiler::VisitUnaryOperator(UnaryOperator *S) {
   VisitExpr(S);
   ID.AddInteger(S->getOpcode());