hg: jdk/sandbox: 8246451: Reduce overhead of normalizing file paths with trailing slash

[chris.hegarty at oracle.com]

Changeset: c4aeadfaf022
Author:    redestad
Date:      2020-06-03 22:29 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/c4aeadfaf022

8246451: Reduce overhead of normalizing file paths with trailing slash
Reviewed-by: lancea

! src/java.base/unix/classes/java/io/UnixFileSystem.java
! test/micro/org/openjdk/bench/java/io/FileOpen.java