hg: jdk9/sandbox/jdk: 8155090: String concatenation fails with a custom SecurityManager that uses concatenation

[chris.hegarty at oracle.com]

Changeset: 709929854709
Author:    shade
Date:      2016-04-29 13:24 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/709929854709

8155090: String concatenation fails with a custom SecurityManager that uses concatenation
Reviewed-by: redestad, chegar

! src/java.base/share/classes/java/lang/invoke/StringConcatFactory.java
+ test/java/lang/String/concat/WithSecurityManager.java