hg: jdk9/hs-comp/hotspot: 8155790: aarch64: debug VM fails to start after 8155617

[edward.nevill at gmail.com]

Changeset: e007641c7360
Author:    enevill
Date:      2016-04-30 00:57 -0700
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/e007641c7360

8155790: aarch64: debug VM fails to start after 8155617
Summary: fix base register to point to end after zeroing
Reviewed-by: aph

! src/cpu/aarch64/vm/macroAssembler_aarch64.cpp
! src/cpu/aarch64/vm/stubGenerator_aarch64.cpp