Index: trunk/src/org/openstreetmap/josm/data/Bounds.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/Bounds.java	(revision 4572)
+++ trunk/src/org/openstreetmap/josm/data/Bounds.java	(revision 4573)
@@ -44,5 +44,9 @@
 
     public Bounds(LatLon b) {
-        this(b, b);
+        // Do not call this(b, b) to avoid GPX performance issue (see #7028) until roundToOsmPrecision() is improved
+        this.minLat = LatLon.roundToOsmPrecision(b.lat());
+        this.minLon = LatLon.roundToOsmPrecision(b.lon());
+        this.maxLat = this.minLat;
+        this.maxLon = this.minLon;
     }