[jdk17u-dev] RFR: 8337998: CompletionFailure in getEnclosingType attaching type annotations [v2]

[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.

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/4150/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/4150/files/c299e351..c299e351

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4150&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4150&range=00-01

  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