RFR(XS): 8166228: Remove unused HeapRegion::object_iterate_mem_careful()

[Thomas Schatzl]

Hi,

On Sat, 2016-09-17 at 17:43 -0400, Kim Barrett wrote:
> Please review this removal of an unused function.
> 
> We're doing this removal now, rather than trying to figure out what
> to
> do about its call to klass_or_null() as part of JDK-8160369 [1].
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8166228
> 
> Webrev:
> http://cr.openjdk.java.net/~kbarrett/8166228/webrev.00/
> 
> Testing:
> Successful build with function removed.
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8160369
> Memory fences needed around setting and reading object lengths
> 

  looks good.

Thomas