[8u] RFA for JDK-8147645: get_ctrl_no_update() code is wrong

[Shafi Ahmad]

Hi All,

 

Could somebody approve this clean backport into jdk8u-dev.

 

JDK9 bug: https://bugs.openjdk.java.net/browse/JDK-8147645

Original patch pushed to 9: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/796b8077f6e6

Public review: http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2016-January/021000.html

 

Tested with jprt.

 

Regards,

Shafi