RFR (S): 8141421: Various test fail with OOME on win x86

[Thomas Schatzl]

Hi Derek,

On Tue, 2016-01-19 at 12:38 -0500, Derek White wrote:
> This is a small fix for a (malloc) memory leak that is causing a
> variety of crashes.
> 
> This also improves memory tracking slightly, and adds asserts that
> clarify the expected locking usage of g1CodeCacheRemSet.
> 
> BUG: JDK-8141421 Various test fail with OOME on win x86
> Webrev: http://cr.openjdk.java.net/~drwhite/8141421/webrev.00/
> Testing jprt, aurora.

  nice catch :)

Could you improve the failing asserts to contain the compared values?
That would make eventual debugging easier.

Looks good otherwise.

Thanks,
  Thomas