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

[Dongbo He]

8253623: Fastdebug JVM crashes with Vector API when PrintAssembly is turned on

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Commit messages:
 - 8253623: Fastdebug JVM crashes with Vector API when PrintAssembly is turned on

Changes: https://git.openjdk.java.net/jdk/pull/853/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=853&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253623
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 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