How to native debug Java on macOS?

[Alexander Miloslavskiy]

 > I've always found the "handle SIGSEGV" command to be sufficient.

Yes, I needed the script because I was debugging the crashes and it was 
necessary to still see any unexpected exceptions.

 > For example, is it handling compiler uncommon traps?

As for the completeness of the script, it works for debugging the 
product I am interested in. See, I didn't claim it will work for 
everyone... :)