RFR: 8330851: C2: More efficient TypeFunc creation [v8]

[Amit Kumar]

> Lazy computation of TypeFunc.
> 
> Testing: Tier1 on Fastdebug & Release VMs (`s390x architecture`)

Amit Kumar has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 17 commits:

 - Merge branch 'master' into tf_v2
 - fix test case
 - new year
 - fixes code style, restores gc changes
 - [wip] renamed caches, changed type factories, refactored code
 - Merge branch 'master' into tf_v2
 - test fix
 - Merge branch 'master' into tf_v2
 - fixing the merge conflict
 - cover more TypeFunc objects
 - ... and 7 more: https://git.openjdk.org/jdk/compare/a46ae703...22d97e4c

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Changes: https://git.openjdk.org/jdk/pull/21782/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21782&range=07
  Stats: 765 lines in 8 files changed: 510 ins; 91 del; 164 mod
  Patch: https://git.openjdk.org/jdk/pull/21782.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21782/head:pull/21782

PR: https://git.openjdk.org/jdk/pull/21782