RFR: 8298913: Add override qualifiers to Relocation classes

[Axel Boldt-Christmas]

On Mon, 19 Dec 2022 08:58:24 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> Please review this change to the Relocation classes, adding `override`
> qualifiers to all overriding virtual function declarations.
> 
> Testing:
> mach5 tier1
> 
> Note that building with clang (on macosx) subjected these changes to clang's
> `-Winconsistent-missing-override` option.
> 
> Note that there are a lot of member functions missing `const` qualifiers in
> the Relocation hierarchy.  I may look at improving const-correctness later.
> After doing a little exploration down that path, it looks like it might be a
> bit messy.

lgtm.

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Marked as reviewed by aboldtch (Committer).

PR: https://git.openjdk.org/jdk/pull/11716