hg: jdk9/sandbox/jdk: 8043252: Debug of access control is obfuscated - NullPointerException in ProtectionDomain

[chris.hegarty at oracle.com]

Changeset: 1a311078cb5f
Author:    jnimeh
Date:      2016-11-16 08:29 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/1a311078cb5f

8043252: Debug of access control is obfuscated - NullPointerException in ProtectionDomain
Summary: Protect against null return value from Permission.getActions in ProtectionDomain's toString method.
Reviewed-by: weijun, mullan

! src/java.base/share/classes/java/security/ProtectionDomain.java
+ test/java/security/ProtectionDomain/NullGetActions.java
+ test/java/security/ProtectionDomain/NullGetActions.policy