RFR: 8316060: test/hotspot/jtreg/runtime/reflect/ReflectOutOfMemoryError.java may fail if heap is huge

[David Holmes]

On Tue, 12 Sep 2023 01:22:06 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> The test tries to generate the OOM by filling the whole heap, unfortunately it may fail if the heap is large than 25G. If the heap is around 15-20G the test is quite slow.
> 
> The current patch is kind of modified version of the next [fix](https://github.com/openjdk/jdk/pull/14070/files#r1199632388), but instead of increasing timeout it minimize the amount of memory used by the heap.

Looks good - all OOME inducing tests should set the heap size. And presumably it will also now run fast so doesn't need a custom timeout.

Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15676#pullrequestreview-1623499614