hg: jdk/sandbox: 8220377: Unused field SourceFileObject.flatname

[chris.hegarty at oracle.com]

Changeset: fd6c13481231
Author:    cushon
Date:      2019-03-08 09:41 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/fd6c13481231

8220377: Unused field SourceFileObject.flatname
Reviewed-by: jjg
Contributed-by: Ron Shapiro <ronshapiro at google.com>

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java