hg: jdk/submit: 8220792: Performance bottleneck in JavacFileManager.list()

[cushon at google.com]

Changeset: 3326be37cd9a
Author:    ronsh
Date:      2019-04-02 17:27 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/3326be37cd9a

8220792: Performance bottleneck in JavacFileManager.list()
Reviewed-by: jjg

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