From 47ae1f1fffabd8f548ffde68620292a8b7d49068 Mon Sep 17 00:00:00 2001
From: agunashe <ajay.gunashekar@amd.com>
Date: Thu, 13 Oct 2022 17:10:38 -0700
Subject: [PATCH] SWDEV-337331 -  Windows graph fix

Unit_hipGraphNodeGetDependentNodes_Functional
Unit_hipGraphNodeGetDependencies_Functional
Unit_hipGraphAddEventRecordNode_Functional_WithoutFlags
Unit_hipGraphMemcpyNodeSetParams_Functional
Unit_hipGraphExecChildGraphNodeSetParams_ChildTopology

Change-Id: I762776d33f27197bcc012951a1828d3d1d2b3e2e
---
 hipamd/src/hip_graph_internal.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/hipamd/src/hip_graph_internal.cpp b/hipamd/src/hip_graph_internal.cpp
index 8a93f1c1f5..e57d55be31 100644
--- a/hipamd/src/hip_graph_internal.cpp
+++ b/hipamd/src/hip_graph_internal.cpp
@@ -621,7 +621,7 @@ void ihipGraph::LevelOrder(std::vector<Node>& levelOrder) {
             GetGraphNodeTypeString((*it)->GetType()), *it, (*it)->GetLevel());
   }
   while (!q.empty()) {
-    Node& node = q.front();
+    Node node = q.front();
     q.pop();
     levelOrder.push_back(node);
     for (const auto& i : node->GetEdges()) {
@@ -763,7 +763,12 @@ hipError_t FillCommands(std::vector<std::vector<Node>>& parallelLists,
       first = false;
       continue;
     }
-    graphLastCmdWaitList.push_back(singleList.back()->GetCommands().back());
+    if (!singleList.empty()) {
+      auto commands = singleList.back()->GetCommands();
+      if (!commands.empty()) {
+        graphLastCmdWaitList.push_back(commands.back());
+      }
+    }
   }
   if (!graphLastCmdWaitList.empty()) {
     endCommand = new amd::Marker(*queue, false, graphLastCmdWaitList);