[8u] RFR: JDK-8055530 - assert(_exits.control()->is_top() || !_gvn.type(ret_phi)->empty()) failed: return value must be well defined

[Shafi Ahmad]

Hi,

 

Please review the backport of bug: "JDK-8055530 - assert(_exits.control()->is_top() || !_gvn.type(ret_phi)->empty()) failed: return value must be well defined" to jdk8u. 

There is  a single line conflict.

 

Webrev: http://cr.openjdk.java.net/~csahu/8055530/webrev.00/

Jdk9 bug: https://bugs.openjdk.java.net/browse/JDK-8055530

Original patch pushed to jdk9: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/7dfa629d203a

 

Test:  Run jprt.

 

Regards,

Shafi