RFR: 8296157: Rename FileMapInfo::space_at() to region_at()

Tue Nov 1 22:08:21 UTC 2022

Most of the CDS code refers to a memory blocks inside a CDS file as "regions", represented by the type FileMapRegion. The method FileRegion* space_at() has been renamed to region_at() and all instances of its use have been replaced. Verified with tier 1-4 tests.

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Commit messages:
 - 8296157: Rename FileMapInfo::space_at() to region_at()

Changes: https://git.openjdk.org/jdk/pull/10937/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10937&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8296157
  Stats: 91 lines in 4 files changed: 0 ins; 0 del; 91 mod
  Patch: https://git.openjdk.org/jdk/pull/10937.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10937/head:pull/10937

PR: https://git.openjdk.org/jdk/pull/10937