hg: jdk10/master: 8062385: Remove @SuppressWarnings("cast") and casts for NIO related usages when JDK 9 becomes the bootstrap JDK

[joe.darcy at oracle.com]

Changeset: fd458b0b7749
Author:    darcy
Date:      2017-10-25 10:40 -0700
URL:       http://hg.openjdk.java.net/jdk10/master/rev/fd458b0b7749

8062385: Remove @SuppressWarnings("cast") and casts for NIO related usages when JDK 9 becomes the bootstrap JDK
Reviewed-by: mcimadamore

! src/jdk.compiler/share/classes/com/sun/tools/javac/file/BaseFileManager.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/file/JavacFileManager.java