RFR: 8314651: G1: Fix -Wconversion warnings in static fields of HeapRegion [v2]

Tue Aug 29 13:21:35 UTC 2023

> Use unsigned type for heap-region-size related shifts in HeapRegion.
>  
> Test: tier1-3

Albert Mingkun Yang 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:

 - review
 - Merge branch 'master' into g1-heap-region-log-uint
 - g1-heap-region-log-uint

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/15360/files
  - new: https://git.openjdk.org/jdk/pull/15360/files/26e1e298..49866dac

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15360&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15360&range=00-01

  Stats: 7641 lines in 350 files changed: 4996 ins; 1034 del; 1611 mod
  Patch: https://git.openjdk.org/jdk/pull/15360.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15360/head:pull/15360

PR: https://git.openjdk.org/jdk/pull/15360