hg: jdk9/hs-comp/hotspot: 8138641: Disable C2 peephole by default for aarch64

[aph at redhat.com]

Changeset: 2598332ad46c
Author:    aph
Date:      2015-09-30 13:23 +0000
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/2598332ad46c

8138641: Disable C2 peephole by default for aarch64
Reviewed-by: roland
Contributed-by: felix.yang at linaro.org

! src/cpu/aarch64/vm/c2_globals_aarch64.hpp