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Support global variable aliases - #503

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pvcresin:support-alias-global-variable
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Support global variable aliases#503
pvcresin wants to merge 1 commit into
ruby:masterfrom
pvcresin:support-alias-global-variable

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@pvcresin

@pvcresin pvcresin commented Nov 13, 2026 •
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def foo
  $v = :ok
end

def bar
  alias $new_v $v
  $new_v
end

bar was inferred as -> untyped because alias $new $old was ignored. Now the two global variables are connected in both directions so that they share types.

This resolves scenario/known-issues/alias-global-variable.rb, so it is moved to scenario/variable/.

@pvcresin
Support global variable aliases
df23868 
`alias $new $old` was ignored, so `$new` was always untyped. Connect
the two global variables in both directions so that they share types.

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