RFR: AArch64: JDK-8232046: AArch64 build failure after JDK-8225681

[Andrew Dinn]

Could I please have a review of the following patch AArch64-only which
fixes a build failure on AArch64 introduced by JDK-8225681:

JIRA:   https://bugs.openjdk.java.net/browse/JDK-8232046
webrev: http://cr.openjdk.java.net/~adinn/8232046/webrev.00/

Testing:

  AArch64 build completes!

  tier1 tests pass
  (modulo a few clearly unrelated errors)


vmTestbase/nsk/jvmti/RedefineClasses/StressRedefine/TestDescription.java
passes
  (that's the one JDK-8225681 was meant to fix)

regards,


Andrew Dinn
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Senior Principal Software Engineer
Red Hat UK Ltd
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