hg: jdk9/dev/jdk: 8039915: Wrong NumberFormat.format() HALF_UP rounding when last digit exactly at rounding position greater than 5

[brian.burkhalter at oracle.com]

Changeset: 963ef28a8224
Author:    bpb
Date:      2014-10-14 11:39 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/963ef28a8224

8039915: Wrong NumberFormat.format() HALF_UP rounding when last digit exactly at rounding position greater than 5
Summary: Fixes erroneous rounding in DigitList for corner cases uncovered previously. Adds dedicated unit tests to TieRoundingTest
Reviewed-by: bpb, darcy
Contributed-by: Olivier Lagneau <olivier.lagneau at oracle.com>

! src/java.base/share/classes/java/text/DigitList.java
! test/java/text/Format/DecimalFormat/TieRoundingTest.java