RFR: 8325681: C2 inliner rejects to inline a deeper callee because the methoddata of caller is immature.

[Xin Liu]

8325681: C2 inliner rejects to inline a deeper callee because the methoddata of caller is immature.

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Commit messages:
 - Add a unittest using IR test framework.
 - 8325681: C2 inliner rejects to inline a deeper callee because the methoddata of caller is immature.

Changes: https://git.openjdk.org/jdk/pull/17957/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17957&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8325681
  Stats: 89 lines in 2 files changed: 88 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17957.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17957/head:pull/17957

PR: https://git.openjdk.org/jdk/pull/17957