RFR: 8282881: Print exception message in VM crash with -XX:AbortVMOnException

[Harold Seigel]

On Wed, 9 Mar 2022 16:04:47 GMT, Emanuel Peter <duke at openjdk.java.net> wrote:

> In `Exceptions::debug_check_abort`, we crash the VM if the exception matches with `-XX:AbortVMOnException`. For example `-XX:AbortVMOnException=java.lang.RuntimeEx`.
> 
> Currently, in the VM crash description, we only print the exception name (`value_string`), and not its message (`message`). For completeness and consistency, we should also print the exception message.
> 
> I tested it with these two exceptions, the first results in `message` being `NULL`:
> `throw new RuntimeException();`
> `throw new RuntimeException("some message");`
> 
> Running tests to make sure nothing else broke.

Looks good!
Thanks, Harold

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Marked as reviewed by hseigel (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7762