hg: jdk/jdk: 8204290: Add check to limit number of capture groups

[hannes.wallnoefer at oracle.com]

Changeset: 1f49c9794ad8
Author:    hannesw
Date:      2018-06-08 11:11 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/1f49c9794ad8

8204290: Add check to limit number of capture groups
Reviewed-by: sundar, jlaskey

! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/joni/Config.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/joni/ScanEnvironment.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/joni/exception/ErrorMessages.java
+ test/nashorn/script/basic/JDK-8204290.js