RFR (S) 8217879: hs_err should print more instructions in hex dump

[Aleksey Shipilev]

On 1/28/19 5:48 PM, Aleksey Shipilev wrote:
> RFE:
>   https://bugs.openjdk.java.net/browse/JDK-8217879
> 
> Fix:
>   http://cr.openjdk.java.net/~shade/8217879/webrev.01/
> 

JDK-8217994 [1] is in, so we can simplify the safety logic: just print whatever around the PC, and
let os::print_hex_dump handle it itself:
  http://cr.openjdk.java.net/~shade/8217879/webrev.06/

Testing: local build, eyeballing hs_errs, jdk-submit (running)

[1] https://bugs.openjdk.java.net/browse/JDK-8217994

Thanks,
-Aleksey