[jdk11u-dev] RFR: 8223389: Shenandoah optimizations fail with assert(!phase->exceeding_node_budget())

[Martin Doerr]

Backport of trivial Shenandoah fix [JDK-8223389](https://bugs.openjdk.java.net/browse/JDK-8223389) after JDK-8223502 and JDK-8216137 were backported.

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Commit messages:
 - Backport 8b07b191c3a8f01085bcf9baf677fb0699183c05

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/884/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=884&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8223389
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/884.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/884/head:pull/884

PR: https://git.openjdk.java.net/jdk11u-dev/pull/884