[build][tir] suppress -Woverloaded-virtual warning

Suppress clang-15.0.3 warning regarding the
`tvm::tir::DataTypeRewriter` class.

src/tir/transforms/narrow_datatype.cc

@@ -187,6 +187,14 @@ class DataTypeVisitor final : public StmtExprVisitor {
   arith::ConstIntBoundAnalyzer::BoundMapType bound_;
 };
 
+// DataTypeRewriter defines some overloads of VisitStmt_ and
+// VisitExpr_ that aren't present in DataTypeLegalizer.
+// This is intentional, so suppress the warning.
+#if __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Woverloaded-virtual"
+#endif
+
 class DataTypeRewriter : public DataTypeLegalizer {
   using Parent = DataTypeLegalizer;
 
@@ -206,6 +214,7 @@ class DataTypeRewriter : public DataTypeLegalizer {
     return VisitStmt(s);
   }
 
+ protected:
   Stmt VisitStmt_(const StoreNode* op) final {
     LOG(FATAL) << "Unexpected use of deprecated StoreNode.  Please use BufferStoreNode instead.";
     return Stmt();
@@ -326,6 +335,10 @@ class DataTypeRewriter : public DataTypeLegalizer {
   bool is_condition_{false};
 };
 
+#if __clang__
+#pragma clang diagnostic pop
+#endif
+
 #define DEFINE_CMPOP_EXPR_MUTATE_WITH_TYPE_MATCH(OP, FUNC)                          \
   PrimExpr DataTypeRewriter::VisitExpr_(const OP* op) {                             \
     bool is_index = is_index_;                                                      \