[jdk8u-dev] RFR: Merge jdk8u:master [v2]

[Andrew John Hughes]

> Merge `jdk8u442-ga`

Andrew John Hughes has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision:

 - Merge jdk8u:master
 - 8335912: Add an operation mode to the jar command when extracting to not overwriting existing files
   
   Reviewed-by: mbalao, andrew
   Backport-of: 158b93d19a518d2b9d3d185e2d4c4dbff9c82aab
 - 8345504: Bump update version of OpenJDK: 8u452
   
   Reviewed-by: sgehwolf
 - 8068305: [TEST_BUG] Test java/awt/Mixing/HWDisappear.java fails with GTKL&F
   
   Reviewed-by: andrew
   Backport-of: bc24a0ce18373217b97dc3a8f4071a7ffc92691d
 - 8268457: XML Transformer outputs Unicode supplementary character incorrectly to HTML
   
   Reviewed-by: phh, andrew
   Backport-of: 83bce94cc8a7fb45b0604598411fbecc62000dfd
 - 8326110: [8u] The Marlin tests should be updated after JDK-8241307
   
   Reviewed-by: phh, andrew, lbourges
 - 8037013: [TESTBUG] Fix test/java/lang/ClassLoader/Assert.sh on AIX
   
   Reviewed-by: andrew
   Backport-of: 02186906efdb581a7b4494cfd9e21f45bc76e9ed

-------------

Changes:
  - all: https://git.openjdk.org/jdk8u-dev/pull/617/files
  - new: https://git.openjdk.org/jdk8u-dev/pull/617/files/c1489ad8..c1489ad8

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=617&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=617&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/617.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/617/head:pull/617

PR: https://git.openjdk.org/jdk8u-dev/pull/617