RFR: 8273498: compiler/c2/Test7179138_1.java timed out

[Tobias Hartmann]

The test times out with `-Xcomp` because it sets `-XX:RepeatCompilation=100` to give `-XX:+StressIGVN` a chance to reproduce the issue. I propose to simply remove the `RepeatCompilation`flag, given that tests are usually executed many times. That's also consistent with how we do it with other tests that use stress flags (for example, `TestDeadLoopSplitIfLoop.java`).

Thanks,
Tobias

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Commit messages:
 - 8273498: compiler/c2/Test7179138_1.java timed out

Changes: https://git.openjdk.java.net/jdk/pull/5431/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5431&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273498
  Stats: 3 lines in 2 files changed: 0 ins; 2 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5431.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5431/head:pull/5431

PR: https://git.openjdk.java.net/jdk/pull/5431