RFR: 8263769: simplify PhaseMacroExpand::extract_call_projections() [v3]

[Vladimir Ivanov]

On Tue, 23 Mar 2021 21:51:53 GMT, Xin Liu <xliu at openjdk.org> wrote:

>> PhaseMacroExpand::extract_call_projections(macro.cpp) is almost identical to 
>> CallNode::extract_projections(callnode.cpp). The implementation can be replaced
>> by CallNode::extract_projections.
>
> Xin Liu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Rename PhaseMacroExpand::_call_projects to PhaseMacroExpand::_callprojs.

Looks good.

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Marked as reviewed by vlivanov (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/3105