RFR(S): 8138600: eliminate the need of ModuleLoaderMap.dat for CDS

[mandy chung]

(I move this thread from jdk10-dev to jigsaw-dev which can review the 
jdk change).

The JDK change looks good to me.

Mandy

On 9/12/17 3:14 PM, Calvin Cheung wrote:
> With the fix for JDK-8186842 
> <https://bugs.openjdk.java.net/browse/JDK-8186842>, we no longer need 
> the ModuleLoaderMap to determine the loader type of a class during CDS 
> dump time. This change is for removing the ModuleLoaderMap from the 
> runtime image and the code which references it.
>
> bug: https://bugs.openjdk.java.net/browse/JDK-8138600
>
> webrevs:
> http://cr.openjdk.java.net/~ccheung/8138600/jdk/webrev.00/
> http://cr.openjdk.java.net/~ccheung/8138600/hotspot/webrev.00/
>
> Testing:
>     JPRT
>     CDS tests
>     hs-tier3
>
> thanks,
> Calvin
>