modules/graphics/src/main/java/com/sun/javafx/font/PrismFontFile.java

*** 1216,1221 ****
--- 1216,1237 ----
              buffer.get(0, table, 0, buffer.capacity());
          }
          return table;
      }
  
+     @Override
+     public boolean equals(Object obj) {
+         if (obj == null) {
+             return false;
+         }
+         if (!(obj instanceof PrismFontFile)) {
+             return false;
+         }
+         final PrismFontFile other = (PrismFontFile)obj;
+         return filename.equals(other.filename);
+     }
+ 
+     @Override
+     public int hashCode() {
+         return filename.hashCode();
+     }
  }