RFR: 8292059: Do not inline InstanceKlass::allocate_instance() [v2]

[Afshin Zafari]

> 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()

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/12782/files
  - new: https://git.openjdk.org/jdk/pull/12782/files/48d5a430..30a5734c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12782&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12782&range=00-01

  Stats: 38 lines in 8 files changed: 13 ins; 17 del; 8 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