[jdk17u-dev] RFR: 8337998: CompletionFailure in getEnclosingType attaching type annotations [v4]

[Liam Miller-Cushon]

> This is a backport of [JDK-8337998](https://bugs.openjdk.org/browse/JDK-8337998), which is a follow-up to [JDK-8341779](https://bugs.openjdk.org/browse/JDK-8341779).

Liam Miller-Cushon 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 three additional commits since the last revision:

 - Merge branch 'JDK-8337795' into JDK-8337998
 - Merge branch 'master' into JDK-8337998
 - Backport c40e6ef3dcb25b8acc156aa4051694322bf7e351

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/4150/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/4150/files/9bc66e82..1d3a7116

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4150&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4150&range=02-03

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4150.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4150/head:pull/4150

PR: https://git.openjdk.org/jdk17u-dev/pull/4150