[jdk17u-dev] RFR: 8265317: [vector] assert(payload->is_object()) failed: expected 'object' value for scalar-replaced boxed vector but got: NULL

[Martin Doerr]

Clean backport of [JDK-8265317](https://bugs.openjdk.java.net/browse/JDK-8265317)

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Commit messages:
 - Backport 58b5fb3233a9bbbfc1f1f8818be4dfd54325f1bd

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/202/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=202&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8265317
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/202.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/202/head:pull/202

PR: https://git.openjdk.java.net/jdk17u-dev/pull/202