RFR: 8260467: Move well-known classes from systemDictionary.hpp to vmClasses.hpp

[Ioi Lam]

On Wed, 27 Jan 2021 14:08:22 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Why not consolidate vmClassMacros.hpp into vmClassID.hpp ?

ciEnv.hpp uses the VM_CLASSES_DO macro, but does not use anything inside vmClassID.hpp. As a result, vmClassMacros.hpp is included by 468 .o files, but vmClassID.hpp is included only by 318 files.

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PR: https://git.openjdk.java.net/jdk/pull/2246