--- old/src/java.desktop/share/classes/javax/swing/GroupLayout.java	2015-03-10 16:52:31.752464400 +0300
+++ new/src/java.desktop/share/classes/javax/swing/GroupLayout.java	2015-03-10 16:52:31.262415400 +0300
@@ -2190,7 +2190,7 @@
                     }
                 } else {
                     // Not a padding spring
-                    if (newLeading.size() > 0 && insert) {
+                    if (newLeading.size() > 0 && newLeadingPadding.isEmpty() && insert) {
                         // There's leading ComponentSprings, create an
                         // autopadding spring.
                         AutoPreferredGapSpring padding =