[jdk17u-dev] RFR: 8312229: Crash involving yield, switch and anonymous classes [v2]

[Martin Doerr]

> Basically clean backport of [JDK-8312229](https://bugs.openjdk.org/browse/JDK-8312229).
> Test needs adaptation: T8312229.java:32: error: patterns in switch statements are a preview feature and are disabled by default.
> Enabled preview for the test compilation with the 2nd commit. Please review!

Martin Doerr has updated the pull request incrementally with one additional commit since the last revision:

  Enable preview for test T8312229.

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2513/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2513/files/0bb5eb8e..41467368

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2513&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2513&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2513.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2513/head:pull/2513

PR: https://git.openjdk.org/jdk17u-dev/pull/2513