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// RUN: %target-swift-frontend %s -emit-sil \
// RUN: -o /dev/null \
// RUN: -verify \
// RUN: -sil-verify-all \
// RUN: -module-name test \
// RUN: -enable-experimental-feature LifetimeDependence
// REQUIRES: swift_in_compiler
// REQUIRES: swift_feature_LifetimeDependence
struct Span<T>: ~Escapable {
private var base: UnsafePointer<T>
private var count: Int
@_unsafeNonescapableResult
init(base: UnsafePointer<T>, count: Int) {
self.base = base
self.count = count
}
@lifetime(borrow generic)
init<S>(base: UnsafePointer<T>, count: Int, generic: borrowing S) {
self.base = base
self.count = count
}
}
struct Wrapper<T: BitwiseCopyable>: ~Escapable {
private let span: Span<T>
init(span: borrowing Span<T>) {
self.span = copy span
}
}
struct SuperWrapper<T: BitwiseCopyable>: ~Escapable {
private let wrapper: Wrapper<T>
// An extra field forces a projection on 'self' within the initializer without any access scope.
var depth: Int = 0
// Make sure that LocalVariableUtils can successfully analyze 'self'. That's required to determine that the assignment
// of `wrapper` is returned without escaping
init(span: borrowing Span<T>) {
self.wrapper = Wrapper(span: span)
}
}
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