Integrated: 8272459: ProblemList compiler/codecache/TestStressCodeBuffers.java on aarch64

[Daniel D.Daugherty]

A trivial fix to ProblemList compiler/codecache/TestStressCodeBuffers.java on aarch64.

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Commit messages:
 - 8272459: ProblemList compiler/codecache/TestStressCodeBuffers.java on aarch64

Changes: https://git.openjdk.java.net/jdk/pull/5113/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5113&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272459
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5113.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5113/head:pull/5113

PR: https://git.openjdk.java.net/jdk/pull/5113