From 6a53ed3a68001aabd800685917c07d8d025e0179 Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Mon, 23 Sep 2019 08:39:49 +0200
Subject: [PATCH] Get hasOverlay from child element count

---
 src/ol/renderer/Composite.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ol/renderer/Composite.js b/src/ol/renderer/Composite.js
index 2b44ff1981..338303bc0d 100644
--- a/src/ol/renderer/Composite.js
+++ b/src/ol/renderer/Composite.js
@@ -114,12 +114,13 @@ class CompositeMapRenderer extends MapRenderer {
       if (!element) {
         continue;
       }
-      if ((element !== previousElement || i == ii - 1) && element.childElementCount === 2 && !hasOverlay) {
+      const childElementCount = element.childElementCount;
+      if ((element !== previousElement || i == ii - 1) && childElementCount === 2 && !hasOverlay) {
         element.removeChild(element.lastElementChild);
       }
       if (element !== previousElement) {
         this.children_.push(element);
-        hasOverlay = false;
+        hasOverlay = childElementCount === 2;
         previousElement = element;
       }
     }