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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 NonescapableTypes
// REQUIRES: asserts
// REQUIRES: swift_in_compiler
struct BV : ~Escapable {
let p: UnsafeRawPointer
let i: Int
@_unsafeNonescapableResult
init(_ p: UnsafeRawPointer, _ i: Int) {
self.p = p
self.i = i
}
}
struct NC : ~Copyable {
let p: UnsafeRawPointer
let i: Int
@_unsafeNonescapableResult
init(_ p: UnsafeRawPointer, _ i: Int) {
self.p = p
self.i = i
}
borrowing func getBV() -> dependsOn(self) BV {
BV(p, i)
}
}
struct NE : ~Escapable {
let p: UnsafeRawPointer
let i: Int
@_unsafeNonescapableResult
init(_ p: UnsafeRawPointer, _ i: Int) {
self.p = p
self.i = i
}
borrowing func getBV() -> dependsOn(scoped self) BV {
BV(p, i)
}
}
func bv_get_consume(container: consuming NE) -> BV {
return container.getBV() // expected-error {{lifetime-dependent value escapes its scope}}
// expected-note @-1{{it depends on this scoped access to variable 'container'}}
// expected-note @-2{{this use causes the lifetime-dependent value to escape}}
}
struct Wrapper : ~Escapable {
let bv: BV
}
func bv_incorrect_annotation1(_ bv1: borrowing BV, _ bv2: borrowing BV) -> dependsOn(bv2) BV { // expected-error {{lifetime-dependent variable 'bv1' escapes its scope}}
return copy bv1 // expected-note @-1{{it depends on the lifetime of argument 'bv1'}}
} // expected-note @-1{{this use causes the lifetime-dependent value to escape}}
func bv_incorrect_annotation2(_ w1: borrowing Wrapper, _ w2: borrowing Wrapper) -> dependsOn(w2) BV { // expected-error {{lifetime-dependent variable 'w1' escapes its scope}}
return w1.bv // expected-note @-1{{it depends on the lifetime of argument 'w1'}}
} // expected-note @-1{{this use causes the lifetime-dependent value to escape}}
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