RFR (XS) 8071770 G1 does not implement millis_since_last_gc which is needed by RMI GC

[Thomas Schatzl]

Hi Joe,

On Tue, 2016-07-19 at 10:12 -0400, Joseph Provino wrote:
> Hi Thomas, I'm not sure what you mean by fix the comment in 
> GenCollectedHeap.
> 
> Do you mean change the logging message?
> 
>    if (retVal < 0) {
>      NOT_PRODUCT(log_warning(gc)("time warp: " JLONG_FORMAT,
> retVal);)
>      return 0;
>    }
> 
>    if (ret_val < 0) {
>      log_warning(gc)("millis_since_last_gc() would return : "
> JLONG_FORMAT
>        ". returning zero instead.", ret_val);
>      return 0;
>    }
> 

GenCollectedHeap::millis_since_last_gc() talks about
os::javaTimeMillis() that is not actually used in the first two lines.
And the third comment provides the same information plus a solution.

I think just removing the first two lines and replacing it by the third
comment block would be fine.

Thanks,
  Thomas