[master] RFR: 8300888: [Lilliput] Remaining missing parts in the SA [v2]

[Roman Kennke]

> With fast-locking, it is now possible to provide a safe implementation of load-Klass* (following the same principle as in the runtime: load mark, check for monitor, possibly load real mark from monitor, decode Klass* from mark). This change also fixes array layout calculation and un-blocks a number of SA tests that did not work before.

Roman Kennke has updated the pull request incrementally with one additional commit since the last revision:

  Use address size instead of long size to read the mark word

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Changes:
  - all: https://git.openjdk.org/lilliput/pull/67/files
  - new: https://git.openjdk.org/lilliput/pull/67/files/235bf525..5acc5e68

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=lilliput&pr=67&range=01
 - incr: https://webrevs.openjdk.org/?repo=lilliput&pr=67&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/lilliput/pull/67.diff
  Fetch: git fetch https://git.openjdk.org/lilliput pull/67/head:pull/67

PR: https://git.openjdk.org/lilliput/pull/67