RFR: 8254350: CompletableFuture.get may swallow InterruptedException

[Martin Buchholz]

8254350: CompletableFuture.get may swallow InterruptedException

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Commit messages:
 - JDK-8254350

Changes: https://git.openjdk.java.net/jdk/pull/1651/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1651&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8254350
  Stats: 178 lines in 3 files changed: 170 ins; 5 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1651.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1651/head:pull/1651

PR: https://git.openjdk.java.net/jdk/pull/1651