RFR: JDK-8281000 ClassLoader::registerAsParallelCapable throws NPE if caller is null [v4]

[Tim Prinzing]

> JDK-8281000 ClassLoader::registerAsParallelCapable throws NPE if caller is null

Tim Prinzing has updated the pull request incrementally with one additional commit since the last revision:

  fix copyright date

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7448/files
  - new: https://git.openjdk.java.net/jdk/pull/7448/files/d67bbb16..533a0660

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7448&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7448&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7448.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7448/head:pull/7448

PR: https://git.openjdk.java.net/jdk/pull/7448