git: openjdk/mobile: 8230342: LineNumberReader.getLineNumber() returns inconsistent results after EOF

[duke]

Changeset: 4285853d
Author:    Brian Burkhalter <bpb at openjdk.org>
Date:      2019-09-11 12:32:01 +0000
URL:       https://github.com/openjdk/mobile/commit/4285853d

8230342: LineNumberReader.getLineNumber() returns inconsistent results after EOF

Reviewed-by: rriggs, dfuchs

! src/java.base/share/classes/java/io/BufferedReader.java
! src/java.base/share/classes/java/io/LineNumberReader.java
! test/jdk/java/io/LineNumberReader/Read.java