RFR: 8244549:[BACKOUT]8237750 patch

[Yumin Qi]

Hi,

     Please review
   bug: https://bugs.openjdk.java.net/browse/JDK-8244549
   webrev: http://cr.openjdk.java.net/~minqi/8244549/webrev/

     the patch of bug 
8237750(https://bugs.openjdk.java.net/browse/JDK-8237750). 
<https://bugs.openjdk.java.net/browse/JDK-8237750>
   failed two tests on Windows (crash):
    tools/jlink/JLinkTest.java
    tools/jlink/basic/BasicTest.java

    The original patch: https://hg.openjdk.java.net/jdk/jdk/rev/73a67f19ee67

    Thanks
    Yumin
<https://bugs.openjdk.java.net/browse/JDK-8237750>