[jdk13u-dev] RFR: 7146776: deadlock between URLStreamHandler.getHostAddress and file.Handler.openconnection

[Yuri Nesterenko]

I'd like to backport it to 13u. The patch goes clean barring copyright years difference: but this is just difference for the bot, so I need an approval.

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Commit messages:
 - Backport db9c114d40cd20c2854121ed8b40a7c9ef8e59b3

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/94/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=94&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-7146776
  Stats: 45 lines in 2 files changed: 25 ins; 15 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/94.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/94/head:pull/94

PR: https://git.openjdk.java.net/jdk13u-dev/pull/94