hg: jdk9/hs/hotspot: 8144484: assert(no_dead_loop) failed: dead loop detected

[rahul.v.raghavan at oracle.com]

Changeset: 9deebc5060f4
Author:    rraghavan
Date:      2017-02-03 00:46 -0800
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/9deebc5060f4

8144484: assert(no_dead_loop) failed: dead loop detected
Summary: Bailout early without splitting Phi through memory merges if TOP inputs present for Phi Nodes
Reviewed-by: thartmann, kvn

! src/share/vm/opto/cfgnode.cpp