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

[hanklo6]

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

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• JDK-8342768: GTest AssemblerX86.validate_vm failed: assert(VM_Version::supports_bmi1()) failed: tzcnt instruction not supported (Bug - P3)

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