8317121: vector_masked_load instruction is moved too early after JDK-8286941
Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Co-authored-by: Tobias Hartmann <thartmann@openjdk.org>
Co-authored-by: Dean Long <dlong@openjdk.org>
Reviewed-by: thartmann, vlivanov, epeter