From 4f4e355ce5ab3f89184f4f3b2d4cb0cd9020b98a Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <seth@kipro-pcb.com>
Date: Tue, 29 Nov 2022 13:36:02 -0800
Subject: [PATCH] Reset existingRefs on cancel

When placing, we need to keep our static pointer map valid.  If we
cancel the placement after annotation, we need to remove the annotated
symbol.  The safer way is to just recreate the map

Fixes https://gitlab.com/kicad/code/kicad/issues/12983
---
 eeschema/tools/sch_drawing_tools.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/eeschema/tools/sch_drawing_tools.cpp b/eeschema/tools/sch_drawing_tools.cpp
index 2ca723a67f..bb2d8d8d62 100644
--- a/eeschema/tools/sch_drawing_tools.cpp
+++ b/eeschema/tools/sch_drawing_tools.cpp
@@ -172,6 +172,9 @@ int SCH_DRAWING_TOOLS::PlaceSymbol( const TOOL_EVENT& aEvent )
             {
                 m_toolMgr->RunAction( EE_ACTIONS::clearSelection, true );
                 m_frame->RollbackSchematicFromUndo();
+                existingRefs.Clear();
+                hierarchy.GetSymbols( existingRefs );
+                existingRefs.SortByReferenceOnly();
                 symbol = nullptr;
             };