Integrated: 8282075: ProblemList 3 compiler/whitebox tests on macosx-x64

[Daniel D.Daugherty]

A trivial fix to ProblemList 3 compiler/whitebox tests on macosx-x64.

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Commit messages:
 - 8282075: ProblemList 3 compiler/whitebox tests on macosx-x64

Changes: https://git.openjdk.java.net/jdk/pull/7523/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7523&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282075
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7523.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7523/head:pull/7523

PR: https://git.openjdk.java.net/jdk/pull/7523