hg: jdk/submit: 8225743: Remove ShenandoahBarrierSetC2::escape_is_barrier_node and related GC interface

[shade at redhat.com]

Changeset: b444bbe5c45c
Author:    shade
Date:      2019-06-14 16:47 +0200
URL:       http://hg.openjdk.java.net/jdk/submit/rev/b444bbe5c45c

8225743: Remove ShenandoahBarrierSetC2::escape_is_barrier_node and related GC interface
Reviewed-by: roland, eosterlund

! src/hotspot/share/gc/shared/c2/barrierSetC2.hpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.hpp
! src/hotspot/share/opto/escape.cpp