RFR (M) 8201537: Remove is_alive closure from Klass::is_loader_alive()

[Stefan Karlsson]

Looks good.

StefanK

On 2018-04-16 16:00, coleen.phillimore at oracle.com wrote:
> Summary: remove is_alive closure from callers of Klass::is_loader_alive 
> so that cleaning metadata doesn't require GC closure.
> 
> This changes runtime, GC and compiler code.
> 
> Tested with mach5 tier1-5 with no failures.
> 
> open webrev at http://cr.openjdk.java.net/~coleenp/8201537.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8201537
> 
> Thanks,
> Coleen