RFR: 8064931: tools/javac/scope/DupUnsharedTest.java needs to be updated to add the bug id [v2]

[Archie L. Cobbs]

> 8064931: tools/javac/scope/DupUnsharedTest.java needs to be updated to add the bug id

Archie L. Cobbs 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 two additional commits since the last revision:

 - Merge branch 'master' into JDK-8064931
 - Add missing @bug tag to unit test.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/10777/files
  - new: https://git.openjdk.org/jdk/pull/10777/files/9fd23703..46d87b73

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10777&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10777&range=00-01

  Stats: 233587 lines in 2373 files changed: 114137 ins; 82571 del; 36879 mod
  Patch: https://git.openjdk.org/jdk/pull/10777.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10777/head:pull/10777

PR: https://git.openjdk.org/jdk/pull/10777