From 4473ebb02d93d4746c11c19caac8fd337d471e04 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Tue, 20 Jun 2023 14:17:48 +0100
Subject: [PATCH] Clear arcs before deflating area outline.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/15007
---
 pcbnew/pcb_expr_functions.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pcbnew/pcb_expr_functions.cpp b/pcbnew/pcb_expr_functions.cpp
index deb2cea0a2..acb695bca8 100644
--- a/pcbnew/pcb_expr_functions.cpp
+++ b/pcbnew/pcb_expr_functions.cpp
@@ -413,6 +413,7 @@ bool collidesWithArea( BOARD_ITEM* aItem, PCB_EXPR_CONTEXT* aCtx, ZONE* aArea )
     // This is particularly important for detecting copper fills as they will be exactly
     // touching along the entire exclusion border.
     SHAPE_POLY_SET areaOutline = aArea->Outline()->CloneDropTriangulation();
+    areaOutline.ClearArcs();
     areaOutline.Deflate( board->GetDesignSettings().GetDRCEpsilon(),
                          SHAPE_POLY_SET::ALLOW_ACUTE_CORNERS, ARC_LOW_DEF );