RFR(xs): 8080584: isGCActiveMark.hpp should not include parallelScavengeHeap.hpp

[Kim Barrett]

On May 18, 2015, at 10:31 AM, Per Liden <per.liden at oracle.com> wrote:
> 
> Hi,
> 
> This is a follow up patch to the GC directory restructure, which removes the unnecessary dependency between gc/shared/isGCActiveMark.hpp and gc/parallel/parallelScavengeHeap.hpp
> 
> Webrev: http://cr.openjdk.java.net/~pliden/8080584/webrev.0/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8080584
> 
> cheers,
> /Per

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src/share/vm/gc/shared/isGCActiveMark.hpp
  28 #include "memory/allocation.hpp"

This file needs several more includes to be clearly standalone. It
references at least the following:

- CollectedHeap class
- Universe class
- assert macro

I don't know if dealing with this is out of scope for this changeset,
but mention it since the changes go beyond just eliminating the 
conditional dependency on parallelScavengeHeap.hpp. 

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