hg: jdk8/tl/jdk: 7100996: (spec str) IndexOutOfBoundsException when using a StringBuffer from multiple threads

[mike.duigou at oracle.com]

Changeset: 9e15068b6946
Author:    jgish
Date:      2012-06-29 15:36 -0700
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/9e15068b6946

7100996: (spec str) IndexOutOfBoundsException when using a StringBuffer from multiple threads
Summary: add usage note to clarify thread safety
Reviewed-by: briangoetz, mduigou
Contributed-by: jim.gish at oracle.com

! src/share/classes/java/lang/StringBuffer.java