Divergent behavior when indexing shadowed vars

[tontyGH]

Snippet:

/handler
 var/list/the_list = list("a", "b", "c")

/handler/proc/do_thing()
 var/static/list/the_list = list("1", "2", "3")
 
 world.log << the_list[1]

/proc/main()
 var/handler/H = new()
 H.do_thing()

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