RFR: 8342644: Optimize InvokerBytecodeGenerator for using ClassFile API [v2]

[Shaojin Wen]

> Cache commonly used classDesc to avoid creating ReferenceClassDescImpl every time

Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision:

  add LFI/NFI

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/21580/files
  - new: https://git.openjdk.org/jdk/pull/21580/files/c95ec47d..6aba8d1a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21580&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21580&range=00-01

  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21580.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21580/head:pull/21580

PR: https://git.openjdk.org/jdk/pull/21580