RFR: 8253623: Fastdebug JVM crashes with Vector API when PrintAssembly is turned on [v2]

[Dongbo He]

> Backport 8253623  https://github.com/openjdk/panama-vector/pull/8

Dongbo He has updated the pull request incrementally with one additional commit since the last revision:

  8255448 Fastdebug JVM crashes with Vector API when PrintAssembly is turned on

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/853/files
  - new: https://git.openjdk.java.net/jdk/pull/853/files/90918cee..5cd059b5

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=853&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=853&range=00-01

  Stats: 9 lines in 1 file changed: 8 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/853.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/853/head:pull/853

PR: https://git.openjdk.java.net/jdk/pull/853