RFR: 8321582: yield <primitive-type>.class not parsed correctly.

[Jan Lahoda]

Fixing the parser to accept primitive type after yield.

I didn't want to update the parts of the patch that remain, to not obstruct history, but I used the multi-label case for the new labels.

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

Commit messages:
 - 8321582: yield <primitive-type>.class not parsed correctly.

Changes: https://git.openjdk.org/jdk/pull/17035/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17035&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8321582
  Stats: 29 lines in 2 files changed: 27 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17035.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17035/head:pull/17035

PR: https://git.openjdk.org/jdk/pull/17035