hg: jdk/client: 8191431: Reading multiple PNG images with unique IDAT chunk positions will cause IIOException

[jayathirth.d.v at oracle.com]

Changeset: 18dbd2ae7eca
Author:    jdv
Date:      2017-11-23 10:44 +0530
URL:       http://hg.openjdk.java.net/jdk/client/rev/18dbd2ae7eca

8191431: Reading multiple PNG images with unique IDAT chunk positions will cause IIOException
Reviewed-by: psadhukhan, pnarayanan

! src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java
+ test/jdk/javax/imageio/plugins/png/PngMultipleImageReadTest.java