--- old/src/java.desktop/share/classes/sun/java2d/pipe/GlyphListPipe.java	2019-03-05 14:31:20.000000000 +0300
+++ new/src/java.desktop/share/classes/sun/java2d/pipe/GlyphListPipe.java	2019-03-05 14:31:20.000000000 +0300
@@ -140,4 +140,8 @@
                                  int aaHint) {
         drawGlyphList(sg2d, gl);
     }
+
+    public String toString() {
+        return getClass().getSimpleName();
+    }
 }