Make use of a binary operator's RHS type for LHS inference #21817
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For "symmetric" binary operators, meaning the types of two side must be equal, if the type of LHS doesn't know yet but RHS does, use that as an hint to infer LHS' type. Closes rust-lang#21634
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For "symmetric" binary operators, meaning the types of two sides must be equal, if the type of LHS doesn't know yet but RHS does, use that as an hint to infer LHS' type. Closes rust-lang#21634
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For "symmetric" binary operators, meaning the types of two sides must be
equal, if the type of LHS doesn't know yet but RHS does, use that as an
hint to infer LHS' type.
Closes #21634