hg: jdk/jdk: 8209883: ZGC: Compile without C1 broken

[per.liden at oracle.com]

Changeset: 3ccdf4887a4b
Author:    pliden
Date:      2018-08-23 14:31 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/3ccdf4887a4b

8209883: ZGC: Compile without C1 broken
Reviewed-by: eosterlund, shade

! src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.cpp
! src/hotspot/share/gc/z/zBarrierSet.cpp