[8u20] backport request for 8035171 8035177 8035188 8038962 8039137 8039750

[sergey malenkov]

Hello,

These are a direct backports from jdk 9 to jdk 8u.

Issue: https://bugs.openjdk.java.net/browse/JDK-8035171
Changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/5eb05d698ca9
Reviewers: Alexandr Scherbatiy, Sergey Bylokhov

Issue: https://bugs.openjdk.java.net/browse/JDK-8035177
Changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/562b6db90268
Reviewers: Alexandr Scherbatiy, Sergey Bylokhov

Issue: https://bugs.openjdk.java.net/browse/JDK-8035188
Changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/8d8c958e5d4c
Reviewers: Alexandr Scherbatiy, Sergey Bylokhov

Issue: https://bugs.openjdk.java.net/browse/JDK-8038962
Changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/bf775ab86401
Reviewers: Alexandr Scherbatiy, Sergey Bylokhov

Issue: https://bugs.openjdk.java.net/browse/JDK-8039137
Changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/89c029b981d3
Reviewers: Alexandr Scherbatiy, Sergey Bylokhov

Issue: https://bugs.openjdk.java.net/browse/JDK-8039750
Changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/752d53546d81
Reviewers: Alexandr Scherbatiy, Sergey Bylokhov

Thanks,
SAM