[jdk11u-dev] RFR: 8280476: [macOS] : hotspot arm64 bug exposed by latest clang

[Vladimir Kempik]

Clean backport to jdk11u-dev

-------------

Commit messages:
 - Backport f5d6fddc6df8c5c5456a2544b131833d5227292b

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/897/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=897&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280476
  Stats: 11 lines in 1 file changed: 10 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/897.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/897/head:pull/897

PR: https://git.openjdk.java.net/jdk11u-dev/pull/897