RFR: 8217922: Compiler dead code removal

[Per Liden]

On 01/28/2019 10:32 PM, Claes Redestad wrote:
> Hi,
> 
> please review this patch to remove dead code in the compiler area.
> 
> Bug:    https://bugs.openjdk.java.net/browse/JDK-8217922
> Webrev: http://cr.openjdk.java.net/~redestad/8217922/open.00/

Do you have a GC version of this in the works too? I noticed that this 
patch touches src/hotspot/share/gc/shared/collectorPolicy.hpp, which in 
that case could move to that patch.

/Per

> 
> Testing: tier1+2
> 
> I've taken care to check every change to ensure it's not in use by some
> platform specific code on a platform that's not built/supported by
> Oracle, but help verifying this would be greatly appreciated.
> 
> I've also checked the patch applies cleanly to a few valhalla and amber
> branches to avoid excessive merge issues.
> 
> Thanks!
> 
> /Claes