From 00ae912d2b544f1694cbe7f985f17dd7af754c29 Mon Sep 17 00:00:00 2001
From: Masahiro Masuda <masahi129@gmail.com>
Date: Mon, 5 Jun 2023 18:58:36 +0900
Subject: [PATCH] fix compiler warning on SIBuilder

---
 src/ir/si_builder.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ir/si_builder.cc b/src/ir/si_builder.cc
index c3375436f137..c82b963d104d 100644
--- a/src/ir/si_builder.cc
+++ b/src/ir/si_builder.cc
@@ -215,6 +215,7 @@ PrimExpr TirRecursivelyFill::VisitExpr(const PrimExpr& expr) {
 }
 
 struct SIBuilder::Impl {
+  virtual ~Impl() {}
   virtual Span Build() const { return Span(); }
   virtual void RecursivelyFillSpan(const relay::Expr& entry, const RelayExprSet& inputs) const {}
   virtual void RecursivelyFillSpan(const PrimExpr& entry, const PrimExprSet& inputs) const {}