hg: jdk/sandbox: 8215776: Keytool importkeystore may mix up certificate chain entries when DNs conflict

[chris.hegarty at oracle.com]

Changeset: 2190f45140b1
Author:    weijun
Date:      2019-01-22 21:18 +0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/2190f45140b1

8215776: Keytool importkeystore may mix up certificate chain entries when DNs conflict
Reviewed-by: xuelei

! src/java.base/share/classes/sun/security/pkcs12/PKCS12KeyStore.java
+ test/jdk/sun/security/pkcs12/SameDN.java