[lworld+vector] RFR: Merge lworld

[Jatin Bhateja]

Merge from lworld into lworld+vector.

Please review and approve.

Best Regards,
Jatin

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Commit messages:
 - Remove white spaces.
 - Merge lworld
 - 8306986: [lworld] C2 compilation fails with assert "Should have been buffered"
 - 8232892: [AARCH64] [lworld] Inline type use of Access API (compiler barrier support)
 - 8306677: [lworld] TestCallingConventionC1 fails on AArch64 with -XX:+PatchALot
 - 8303000: [lworld] C2 compilation fails with assert(phase->C->get_alias_index(t) == phase->C->get_alias_index(t_adr)) failed: correct memory chain
 - 8306568: [lworld] Oop verification failure in InlineKlass::returned_inline_klass
 - 8306567: ProblemList ProblemList CDS test RedefineRunningMethods_Shared.java
 - 8306565: [lworld] Asserts with stress testing during PhaseCCP due to unexpected top types
 - 8306453: ProblemList CDS tests failing with dumping the shared archive: --patch-module
 - ... and 380 more: https://git.openjdk.org/valhalla/compare/d9f744fe...04b8ab3f

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld+vector: https://webrevs.openjdk.org/?repo=valhalla&pr=847&range=00.0
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=847&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/847/files
  Stats: 32782 lines in 1453 files changed: 19329 ins; 7805 del; 5648 mod
  Patch: https://git.openjdk.org/valhalla/pull/847.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/847/head:pull/847

PR: https://git.openjdk.org/valhalla/pull/847