[11u] RFR: 8214542: JFR: Old Object Sample event slow on a deep heap in debug builds

[Langer, Christoph]

> On 9/2/19 2:45 PM, Langer, Christoph wrote:
> > Bug: https://bugs.openjdk.java.net/browse/JDK-8214542
> > Original Change: http://hg.openjdk.java.net/jdk/jdk13/rev/49102ba8cf14
> > Webrev: http://cr.openjdk.java.net/~clanger/webrevs/8214542.11u-
> dev.0/
> 
> Ugh, this patch is way too big to be fun.
> 
> I read both upstream and this patch side-by-side, and there are no blatant
> mistakes. Also
> cross-checked the patch rejects, and they seem to be reapplied correctly.
> 
> Can you please build it with --disable-precompiled-headers, for my sanity?

Thanks for checking this. I ran the build on linux_x86 with --disable-precompiled-headers and it succeeded. My testing doesn't show regressions so I'm gonna push this shortly.

Thanks
Christoph