[jdk15u-dev] RFR: 8270533: AArch64: size_fits_all_mem_uses should return false if its output is a CAS

[Alexey Pavlyutkin]

I'd like to backport JDK-8190753 to jdk15u

The original patch applied cleanly

Testing: original patch does not have verification tests. Regression: hotspot_tier2 (arm64/20.04 LTS)

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

Commit messages:
 - Backport 6750c34c92b5f28bba4a88ac798b800fce380d32

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/128/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=128&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8270533
  Stats: 7 lines in 1 file changed: 7 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/128.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/128/head:pull/128

PR: https://git.openjdk.java.net/jdk15u-dev/pull/128