[AST] Replace type variables and placeholders in original ErrorTypes #82292
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Turns out we can also get solver-allocated original ErrorTypes through type resolution. Given the original type is only used for printing/debugging, let's just fold away any type variables and placeholders into UnresolvedType (which print as placeholders). This matches what `Solution::simplifyType` does.
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@swift-ci please test |
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Turns out we can also get solver-allocated original ErrorTypes through type resolution. Given the original type is only used for printing/debugging, let's just fold away any type variables and placeholders into UnresolvedType (which print as placeholders). This matches what
Solution::simplifyTypedoes.