[jdk13u-dev] RFR: 8293816: CI: ciBytecodeStream::get_klass() is not consistent

[Yuri Nesterenko]

Backporting as a follow-up to JDK-8293044. Clean backport

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Commit messages:
 - Backport 746f5f589db5c1036f15fa47f8a48b2a12c921ce

Changes: https://git.openjdk.org/jdk13u-dev/pull/426/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk13u-dev&pr=426&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293816
  Stats: 10 lines in 3 files changed: 1 ins; 6 del; 3 mod
  Patch: https://git.openjdk.org/jdk13u-dev/pull/426.diff
  Fetch: git fetch https://git.openjdk.org/jdk13u-dev pull/426/head:pull/426

PR: https://git.openjdk.org/jdk13u-dev/pull/426