hg: jdk9/dev/jdk: 8039751: UTF-8 decoder fails to handle some edge cases correctly

[xueming.shen at oracle.com]

Changeset: 3bcdaa697fce
Author:    sherman
Date:      2014-04-12 14:38 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/3bcdaa697fce

8039751: UTF-8 decoder fails to handle some edge cases correctly
Summary: to update decoder.isMalformed4_2() to correctly detect out of range 2nd byte
Reviewed-by: alanb

! src/share/classes/sun/nio/cs/UTF_8.java
! test/sun/nio/cs/TestUTF8.java