From ff5a4726e523117a8e11d74e6518f9cf8de8252c Mon Sep 17 00:00:00 2001
From: spectrometerHBH <spectrometerh@gmail.com>
Date: Sun, 15 Jan 2023 15:59:09 -0800
Subject: [PATCH] [MeteSchedule] Bugfix: Add checks for nullable run_secs

Runner sec is an Optional ObjectRef, so we need to check it's defined before we access its value.
---
 src/meta_schedule/measure_callback/update_cost_model.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/meta_schedule/measure_callback/update_cost_model.cc b/src/meta_schedule/measure_callback/update_cost_model.cc
index 6c217a6c4d65..63c32b189eee 100644
--- a/src/meta_schedule/measure_callback/update_cost_model.cc
+++ b/src/meta_schedule/measure_callback/update_cost_model.cc
@@ -44,7 +44,8 @@ class UpdateCostModelNode : public MeasureCallbackNode {
     for (int i = 0; i < n; i++) {
       if (!builder_results[i]->error_msg.defined() &&  //
           (runner_results[i]->error_msg.defined() ||   //
-           Sum(runner_results[i]->run_secs.value()) > 0)) {
+           (runner_results[i]->run_secs.defined() &&
+            Sum(runner_results[i]->run_secs.value()) > 0))) {
         pruned_candidate.push_back(measure_candidates[i]);
         pruned_runner_result.push_back(runner_results[i]);
       }