hg: jdk7/tl/langtools: 6999460: Glassfish build with JDK 6 / 7 is 5x-10x slower on Windows than on Linux

[jim.holmlund at sun.com]

Changeset: a8d3eed8e247
Author:    jjh
Date:      2010-12-13 17:35 -0800
URL:       http://hg.openjdk.java.net/jdk7/tl/langtools/rev/a8d3eed8e247

6999460: Glassfish build with JDK 6 / 7 is 5x-10x slower on Windows than on Linux
Summary: Fixed JavacFileManager to not treat a non-existant pathname as a directory.
Reviewed-by: jjg

! src/share/classes/com/sun/tools/javac/file/JavacFileManager.java
! src/share/classes/com/sun/tools/javac/file/Paths.java