$java --add-modules=jdk.incubator.vector -Xcomp -XX:CompileCommand=compileonly,TestCast16BTo2D::* -XX:+UnlockDiagnosticVMOptions -XX:+PrintIntrinsics TestCast16BTo2D
before fixing:
  ** not supported: arity=1 op=cast/5 vlen2=2 etype1=byte ismask=0
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                      @ 101 java.lang.Object::getClass (0 bytes) (intrinsic)
                                      @ 109 java.lang.Object::getClass (0 bytes) (intrinsic)
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                    @ 31 jdk.internal.vm.vector.VectorSupport::load (38 bytes) (intrinsic)
                                      @ 128 jdk.internal.vm.vector.VectorSupport::convert (39 bytes) failed to inline (intrinsic)
                                @ 42 jdk.internal.vm.vector.VectorSupport::store (38 bytes) (intrinsic)
Expect:
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                      @ 101 java.lang.Object::getClass (0 bytes) (intrinsic)
                                      @ 109 java.lang.Object::getClass (0 bytes) (intrinsic)
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                    @ 31 jdk.internal.vm.vector.VectorSupport::load (38 bytes) (intrinsic)
                                      @ 128 jdk.internal.vm.vector.VectorSupport::convert (39 bytes) (intrinsic)
                                @ 42 jdk.internal.vm.vector.VectorSupport::store (38 bytes) (intrinsic)