RFR: 8342768: GTest AssemblerX86.validate_vm failed: assert(VM_Version::supports_bmi1()) failed: tzcnt instruction not supported [v3]

[hanklo6]

> The `tzcnt` instruction requires the VM to support `bmi1` feature, which we set directly when running the test.

hanklo6 has updated the pull request incrementally with one additional commit since the last revision:

  Add flags

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/21644/files
  - new: https://git.openjdk.org/jdk/pull/21644/files/ed7c10a2..d564a588

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21644&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21644&range=01-02

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21644.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21644/head:pull/21644

PR: https://git.openjdk.org/jdk/pull/21644