[jdk17u-dev] RFR: 8331863: DUIterator_Fast used before it is constructed [v2]

[Radek Čáp]

> Backport of JDK-8331863 from 21u.
> 
> Clean backport. Passed tier1 tests.

Radek Čáp has updated the pull request incrementally with one additional commit since the last revision:

  Update full name

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/3070/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/3070/files/ed30b9c1..21829938

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3070&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3070&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3070.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3070/head:pull/3070

PR: https://git.openjdk.org/jdk17u-dev/pull/3070