beam_validator: Use set_aliased_type in more operations #1960
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The following code broke because aliases weren't tracked for hd/1:
bug(Bool) ->
Bug = remote:call(),
if
Bool -> %% Branch of some kind.
_ = hd(Bug),
remote:call(),
hd(Bug)
end.
Related to 1f221b2
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hd/1and friends only tracked types for their direct inputs, failing validation for legal code that used an aliased register.https://bugs.erlang.org/browse/ERL-735