RFR(S): 8219650: [Testbug] Fix potential crashes in new test hotspot gtest "test_print_hex_dump"

[Langer, Christoph]

> Right, right. So let's keep the stack allocation intact, and just change TEST ->
> TEST_VM? Does that
> help to resolve the crash on that Solaris machine where 11u is failing for you?

I'll check that. Then this would be the least invasive test fix.

And I'd open another issue for making print_hex_dump even more resilient and maybe improving the test to check the results and test unaligned addresses specifically. But that'll be a jdk/jdk follow up then...

/Christoph