[lworld] RFR: 8264085: [lworld] C2 compilation fails with assert "inline type should be loaded"

[Tobias Hartmann]

We hit an assert because C2 fails to replace a load from a non-flattened, empty inline type field by the default oop.

Thanks,
Tobias

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Commit messages:
 - added comment
 - 8264085: [lworld] C2 compilation fails with assert "inline type should be loaded"

Changes: https://git.openjdk.java.net/valhalla/pull/378/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=378&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264085
  Stats: 35 lines in 2 files changed: 21 ins; 1 del; 13 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/378.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/378/head:pull/378

PR: https://git.openjdk.java.net/valhalla/pull/378