hg: jdk9/sandbox/jdk: 8081736: Figure out the best code shape for a kill switch

[xueming.shen at oracle.com]

Changeset: b0a49f07847d
Author:    sherman
Date:      2015-07-02 19:24 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/b0a49f07847d

8081736: Figure out the best code shape for a kill switch
Contributed-by: aleksey.shipilev at oracle.com

! make/mapfiles/libjava/mapfile-vers
! src/java.base/share/classes/java/lang/AbstractStringBuilder.java
! src/java.base/share/classes/java/lang/Integer.java
! src/java.base/share/classes/java/lang/Long.java
! src/java.base/share/classes/java/lang/String.java
! src/java.base/share/classes/java/lang/StringBuffer.java
! src/java.base/share/classes/java/lang/StringCoding.java
! src/java.base/share/classes/java/lang/StringUTF16.java
! src/java.base/share/classes/sun/misc/VM.java
! src/java.base/share/native/include/jvm.h
! src/java.base/share/native/libjava/VM.c