Extract builtins to a separate file

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#392 opened on May 12, 2023 0 comments 0 reactions 0 assignees View on GitHub

area:compiler good-first-issue kind:refactor status:help-wanted

Description

Currently, our only built-in function, `__builtin_offsetof_instance`, is implemented in `FunctionCallExpression.cs`.

I think we should extract that to some separate file.

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