hg: jdk/sandbox: 8220477: Channels.newWriter() does not close if underlying channel throws an IOException

[chris.hegarty at oracle.com]

Changeset: 7689e1cc56fe
Author:    bpb
Date:      2019-04-17 08:12 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/7689e1cc56fe

8220477: Channels.newWriter() does not close if underlying channel throws an IOException
Reviewed-by: alanb

! src/java.base/share/classes/sun/nio/cs/StreamDecoder.java
! src/java.base/share/classes/sun/nio/cs/StreamEncoder.java
! test/jdk/java/nio/channels/Channels/Basic.java