Fix ICE when checking call overload #18560
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If the overloaded method does not have a tuple or unit type as its first non-self parameter, produce a list of error types with the correct length to prevent a later index bound panic. This typically occurs due to propagation of an earlier type error or unconstrained type variable. Closes rust-lang#18532
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If the overloaded method does not have a tuple or unit type as its first non-self parameter, produce a list of error types with the correct length to prevent a later index bound panic. This typically occurs due to propagation of an earlier type error or unconstrained type variable. Closes #18532