RFR: 8340230: Tests crash: assert(is_in_encoding_range || k->is_interface() || k->is_abstract()) failed: sanity

[Martin Doerr]

If exactly one of UseCompressedOops and UseCompressedClassPointers is enabled:
Only the transformation for the enabled part should be used.

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Commit messages:
 - 8340230: Tests crash: assert(is_in_encoding_range || k->is_interface() || k->is_abstract()) failed: sanity

Changes: https://git.openjdk.org/jdk/pull/21036/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21036&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340230
  Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21036.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21036/head:pull/21036

PR: https://git.openjdk.org/jdk/pull/21036