RFR: 8282392: [zero] Build broken on AArch64

[Alan Hayward]

8282392: [zero] Build broken on AArch64

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Commit messages:
 - 8282392: [zero] Build broken on AArch64

Changes: https://git.openjdk.java.net/jdk/pull/7633/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7633&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282392
  Stats: 13 lines in 5 files changed: 8 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7633.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7633/head:pull/7633

PR: https://git.openjdk.java.net/jdk/pull/7633