RFR: Some AOTCodeCache cleanup after merge from mainline [v2]

[Ashutosh Mehra]

> Additional cleanup following Vladimir's merge of mainline to premain.

Ashutosh Mehra has updated the pull request incrementally with one additional commit since the last revision:

  Fix minimal variant compile failure
  
  Signed-off-by: Ashutosh Mehra <asmehra at redhat.com>

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

Changes:
  - all: https://git.openjdk.org/leyden/pull/66/files
  - new: https://git.openjdk.org/leyden/pull/66/files/eb0c4eb3..686f6bff

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=leyden&pr=66&range=01
 - incr: https://webrevs.openjdk.org/?repo=leyden&pr=66&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/leyden/pull/66.diff
  Fetch: git fetch https://git.openjdk.org/leyden.git pull/66/head:pull/66

PR: https://git.openjdk.org/leyden/pull/66