G1 ignores AlwaysPreTouch when UseTransparentHugePages is enabled

 A DESCRIPTION OF THE PROBLEM :
G1 ignores AlwaysPreTouch when UseTransparentHugePages is enabled

REGRESSION : Last worked in version 8u181

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
time java -XX:+UseG1GC -Xmx10g -Xms10g -XX:+AlwaysPreTouch -XX:+UseTransparentHugePages HelloWorld

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Hello, World

real 0m4.737s
user 0m0.417s
sys 0m4.349s
ACTUAL -
Hello, World

real 0m0.418s
user 0m0.168s
sys 0m0.314s

---------- BEGIN SOURCE ----------
public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World");
    }
}
---------- END SOURCE ----------

FREQUENCY : always