RFR: 8292059: Do not inline InstanceKlass::allocate_instance() [v3]

[Afshin Zafari]

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> The inline and not-inline versions of the method is stress tested to compare the performance difference. The statistics are drawn in the following charts. The vertical axis is in milliseconds.
> 
> ![chart (2)](https://user-images.githubusercontent.com/4697012/221848555-2884313e-9d26-41c9-a265-3f1ce295b17b.png)
> 
> ![chart (3)](https://user-images.githubusercontent.com/4697012/221863810-94118677-b4af-468f-90c6-5ea365ae3588.png)

Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:

  8292059: Do not inline InstanceKlass::allocate_instance()

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Changes:
  - all: https://git.openjdk.org/jdk/pull/12782/files
  - new: https://git.openjdk.org/jdk/pull/12782/files/30a5734c..6cdd8357

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12782&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12782&range=01-02

  Stats: 9 lines in 5 files changed: 6 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/12782.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12782/head:pull/12782

PR: https://git.openjdk.org/jdk/pull/12782