RFR: 8345678: compute_modifiers should not be in create_mirror [v3]

[Coleen Phillimore]

> This moves the modifier_flag computation to when InstanceKlass, ObjArrayKlass and TypeArrayKlass are created.
> 
> Tested with jck:vm and tier1-4.

Coleen Phillimore has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge branch 'master' into modifiers
 - remove "jvm support"
 - 8345678: compute_modifiers should not be in create_mirror

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/22618/files
  - new: https://git.openjdk.org/jdk/pull/22618/files/5d87b61a..a0792dff

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22618&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22618&range=01-02

  Stats: 14988 lines in 2730 files changed: 7860 ins; 2341 del; 4787 mod
  Patch: https://git.openjdk.org/jdk/pull/22618.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22618/head:pull/22618

PR: https://git.openjdk.org/jdk/pull/22618