RFR: 8058176: [mlvm] Tests should tolerate exceptions caused by code cache exhaustion.

[Evgeny Nikitin]

On Fri, 5 Feb 2021 22:16:14 GMT, Evgeny Nikitin <enikitin at openjdk.org> wrote:

> A repetition of the #1622.
> 
> 1. Normalise meth/stress/compiler/i2c_c2i/Test.java to use MultiThreadedTest framework;
> 2. Adjust MultiThreadedTest in order to accomodate the i2c_c2i test (add prepareThread method and logic);
> 3. Add ThrowableTolerance and DefaultThrowableTolerance as ways to control what Throwables are accepted;
> 4. Adjust MultiThreadedTest to catch Throwables and check if they are accepted;
> 5. Adjust individual tests to catch possible Throwables and check if they are accepted;
> 6. Un-problemlist the failing tests.
> 
> Testing vmTestBase/vm/mlvm/meth/stress run on macos-linux-windows (30 runs each) in x64 configurations, rebased on top of latest code base. Code cache was limited `-XX:ReservedCodeCacheSize=8M` as suggested in the case.

Needs reworking.

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PR: https://git.openjdk.java.net/jdk/pull/2440