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

[Aleksey Shipilev]

On 2/25/19 3:26 PM, Langer, Christoph wrote:
> please review the following small test fix.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8219650
> Webrev: http://cr.openjdk.java.net/~clanger/webrevs/8219650.0/

Looks good to me.

If you will, I'd prefer to allocate char* to guarantee the size of array.

-Aleksey