ZJIT: Annotate Primitive C expressions referencing Ruby local variables as reading/writing those locals

[tekknolagi]

Probably this looks like adding a bitset to rb_builtin_function in builtin.h, populating it with tool/mk_builtin_loader.rb, and then consuming it in the HIR builder to flush those locals before/after the builtin.

This is necessary to support ary_fetch_next which is used in the Ruby implementation of Array#each and others to make sure we atomically fetch both the next index and the next element of a collection without another thread mutating the object.