[lworld] RFR: 8281378: [lworld] Crash in LateInlineMHCallGenerator::do_late_inline_check

[Roland Westrelin]

I think this is caused by the support that was added recently for
virtual call late inlining and I propose tweaking the
AlwaysIncrementalInline logic for that case.

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Commit messages:
 - fix

Changes: https://git.openjdk.java.net/valhalla/pull/637/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=637&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8281378
  Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/637.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/637/head:pull/637

PR: https://git.openjdk.java.net/valhalla/pull/637