hg: jdk/hs: 8196401: PPC64+s390: get_frame_at_stack_banging_point uses wrong PC

[martin.doerr at sap.com]

Changeset: 8250a10cf60f
Author:    mdoerr
Date:      2018-01-31 15:10 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/8250a10cf60f

8196401: PPC64+s390: get_frame_at_stack_banging_point uses wrong PC
Reviewed-by: stuefe, goetz

! src/hotspot/os_cpu/aix_ppc/os_aix_ppc.cpp
! src/hotspot/os_cpu/linux_ppc/os_linux_ppc.cpp
! src/hotspot/os_cpu/linux_s390/os_linux_s390.cpp