RFR: 8266181: compiler/eliminateAutobox/TestEliminateBoxInDebugInfo should be in driver mode

[Igor Ignatyev]

Hi all,

could you please review this small patch that switches the execution mode of TestEliminateBoxInDebugInfo to driver mode and makes a few small cleanups?

from JBS:
> TestEliminateBoxInDebugInfo creates a new JVM and verifies its output, hence it doesn't have to be run in the JDK in test configuration and can be run in driver mode.

Thanks,
-- Igor

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Commit messages:
 - 8266181

Changes: https://git.openjdk.java.net/jdk/pull/3746/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3746&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266181
  Stats: 16 lines in 1 file changed: 0 ins; 11 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3746.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3746/head:pull/3746

PR: https://git.openjdk.java.net/jdk/pull/3746