Improve checks in return_compare and mismatched_ordered_comparison - #15802

Improve checks in return_compare and mismatched_ordered_comparison#15802

lukaszsamson wants to merge 2 commits into

elixir-lang:mainelixir-lang/elixir:mainfrom

lukaszsamson:ls-comparison-coercionlukaszsamson/elixir:ls-comparison-coercionCopy head branch name to clipboard