RFR: JDK-8293787: Linux aarch64 build fails after 8292591

[Matthias Baesken]

After 8292591 we run into the following build error on Linux aarch64  (this one uses a rather old devkit):

* For target hotspot_variant-server_libjvm_objs_systemMemoryBarrier_linux.o:

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Commit messages:
 - JDK-8293787

Changes: https://git.openjdk.org/jdk/pull/10265/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10265&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293787
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/10265.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10265/head:pull/10265

PR: https://git.openjdk.org/jdk/pull/10265