RFR(S) Remove excessive inclusion of arguments.hpp

[Thomas Stüfe]

Hi Ioi,

looks okay, but why the added java.hpp includes? At first glance does not
seem related to your bug description.

Thanks Thomas

On Fri, Aug 21, 2020 at 6:47 PM Ioi Lam <ioi.lam at oracle.com> wrote:

> https://bugs.openjdk.java.net/browse/JDK-8252151
>
> http://cr.openjdk.java.net/~iklam/jdk16/8252151-dont-include-arguments-hpp.v01/
>
> The large header file arguments.hpp is included by popular header files
> such as constMethod.hpp and methodCounters.hpp (which are included by
> method.hpp, which is included by almost every cpp file).
>
> The dependencies on arguments.hpp by constMethod.hpp are very small, and
> can be moved to constMethod.cpp.
>
> methodCounters.hpp does not depend on arguments.hpp
>
> ===
> by removing these dependencies, we can reduce the total number of
> include files in the hotspot build from 530,921 to 523,010, or a
> reduction of about 1.5%.
>
>
>