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fb7f2d0ff2
Set an upper bound on the number of chained lookups we attempt to avoid spinning while trying to recursively apply the same dynamic member lookup to itself. rdar://157288911
8 lines
407 B
Swift
8 lines
407 B
Swift
// {"kind":"typecheck","signature":"swift::TypeTransform<swift::Type::transformRec(llvm::function_ref<std::__1::optional<swift::Type> (swift::TypeBase*)>) const::Transform>::doIt(swift::Type, swift::TypePosition)"}
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// RUN: not %target-swift-frontend -typecheck %s
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@dynamicMemberLookup struct S<T> {
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init(_: () -> T) {}
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subscript<U>(dynamicMember d: WritableKeyPath<T, U>) -> S<U> {}
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}
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let x = S { x.e }
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