[Analyzer][WebKit] Use tri-state types for relevant predicates #2037
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Some of the predicates can't always be decided - for example when a type definition isn't available. At the same time it's necessary to let client code decide what to do about such cases - specifically we can't just use true or false values as there are callees with conflicting strategies how to handle this. This is a speculative fix for PR47276. Differential Revision: https://reviews.llvm.org/D88133
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@swift-ci please test |
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Some of the predicates can't always be decided - for example when a type
definition isn't available. At the same time it's necessary to let
client code decide what to do about such cases - specifically we can't
just use true or false values as there are callees with
conflicting strategies how to handle this.
This is a speculative fix for PR47276.
Differential Revision: https://reviews.llvm.org/D88133