RFR: 8205577: parallel/TestPrintGCDetailsVerbose.java fails assertion

[Kim Barrett]

> On Jun 27, 2018, at 9:15 AM, Daniel D. Daugherty <daniel.daugherty at oracle.com> wrote:
> 
> Wonderful analysis Kim!
> 
> 
> > http://cr.openjdk.java.net/~kbarrett/8205577/open.00/
> 
> src/hotspot/share/code/nmethod.cpp
>     (old) L1694:       (*p)->print_value_on(&ls);
>         I agree with not printing, but you might want to leave a
>         comment behind. Something like:
> 
>         // Do not try "(*p)->print_value_on()" here because it
>         // is racy with parallel operations.
> 
> Thumbs up in any case.

Thanks.

I thought about adding a comment, but one such comment seems odd; there are tons of
places where we shouldn’t do things like that.