hg: jdk/jdk: 8218811: replace open by os::open in hotspot coding

[matthias.baesken at sap.com]

Changeset: 65f2a401e0eb
Author:    mbaesken
Date:      2019-02-18 16:17 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/65f2a401e0eb

8218811: replace open by os::open in hotspot coding
Reviewed-by: dholmes, iklam, stuefe

! src/hotspot/os/linux/os_perf_linux.cpp
! src/hotspot/os/linux/perfMemory_linux.cpp
! src/hotspot/os/solaris/os_perf_solaris.cpp
! src/hotspot/os_cpu/linux_x86/gc/z/zBackingFile_linux_x86.cpp
! src/hotspot/share/ci/ciEnv.cpp
! src/hotspot/share/classfile/compactHashtable.cpp
! src/hotspot/share/memory/filemap.cpp
! src/hotspot/share/utilities/ostream.cpp