Replacing a buggy NPE with a PatternSyntaxException for cases with a bad intersection operator.
------------- Commit messages: - 8280403: RegEx: String.split can fail with NPE in Pattern.CharPredicate::match Changes: https://git.openjdk.java.net/jdk/pull/7199/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7199&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8280403 Stats: 11 lines in 2 files changed: 11 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jdk/pull/7199.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7199/head:pull/7199 PR: https://git.openjdk.java.net/jdk/pull/7199
