From f6fc166584783b8a886f102ea8623a24115ca5c4 Mon Sep 17 00:00:00 2001
From: ocornut <omar@miracleworld.net>
Date: Thu, 12 Jun 2025 11:07:08 +0200
Subject: [PATCH] TreeNode: fixed runtime asan warning (#2920)

imgui_widgets.cpp:6923:52: runtime error: shift exponent -1 is negative
---
 imgui_widgets.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index cdca228c4..ba35e531b 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -6914,7 +6914,7 @@ void ImGui::TreeNodeDrawLineToChildNode(const ImVec2& target_pos)
 {
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = g.CurrentWindow;
-    if ((window->DC.TreeHasStackDataDepthMask & (1 << (window->DC.TreeDepth - 1))) == 0)
+    if (window->DC.TreeDepth == 0 || (window->DC.TreeHasStackDataDepthMask & (1 << (window->DC.TreeDepth - 1))) == 0)
         return;
 
     ImGuiTreeNodeStackData* parent_data = &g.TreeNodeStack.Data[g.TreeNodeStack.Size - 1];