mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
32 lines
2.7 KiB
Swift
32 lines
2.7 KiB
Swift
// RUN: %target-typecheck-verify-swift
|
|
// REQUIRES: objc_interop
|
|
|
|
class C {}
|
|
|
|
func unsafePointerInitEphemeralConversions() {
|
|
var c = C()
|
|
var optC: C?
|
|
|
|
_ = AutoreleasingUnsafeMutablePointer(&c) // expected-warning {{initialization of 'AutoreleasingUnsafeMutablePointer<C>' results in a dangling pointer}}
|
|
// expected-note@-1 {{implicit argument conversion from 'C' to 'AutoreleasingUnsafeMutablePointer<C>' produces a pointer valid only for the duration of the call to 'init(_:)'}}
|
|
|
|
_ = AutoreleasingUnsafeMutablePointer<AnyObject>(&c) // expected-warning {{initialization of 'AutoreleasingUnsafeMutablePointer<AnyObject>' results in a dangling pointer}}
|
|
// expected-note@-1 {{implicit argument conversion from 'C' to 'UnsafeMutablePointer<C>' produces a pointer valid only for the duration of the call to 'init(_:)'}}
|
|
// expected-note@-2 {{use 'withUnsafeMutablePointer' in order to explicitly convert argument to pointer valid for a defined scope}}
|
|
|
|
_ = AutoreleasingUnsafeMutablePointer(&optC) // expected-warning {{initialization of 'AutoreleasingUnsafeMutablePointer<C?>' results in a dangling pointer}}
|
|
// expected-note@-1 {{implicit argument conversion from 'C?' to 'AutoreleasingUnsafeMutablePointer<C?>' produces a pointer valid only for the duration of the call to 'init(_:)'}}
|
|
|
|
_ = AutoreleasingUnsafeMutablePointer<C>(&optC) // expected-warning {{initialization of 'AutoreleasingUnsafeMutablePointer<C>' results in a dangling pointer}}
|
|
// expected-note@-1 {{implicit argument conversion from 'C?' to 'UnsafeMutablePointer<C?>' produces a pointer valid only for the duration of the call to 'init(_:)'}}
|
|
// expected-note@-2 {{use 'withUnsafeMutablePointer' in order to explicitly convert argument to pointer valid for a defined scope}}
|
|
|
|
_ = AutoreleasingUnsafeMutablePointer<AnyObject>(&optC) // expected-warning {{initialization of 'AutoreleasingUnsafeMutablePointer<AnyObject>' results in a dangling pointer}}
|
|
// expected-note@-1 {{implicit argument conversion from 'C?' to 'UnsafeMutablePointer<C?>' produces a pointer valid only for the duration of the call to 'init(_:)'}}
|
|
// expected-note@-2 {{use 'withUnsafeMutablePointer' in order to explicitly convert argument to pointer valid for a defined scope}}
|
|
|
|
_ = AutoreleasingUnsafeMutablePointer<AnyObject?>(&optC) // expected-warning {{initialization of 'AutoreleasingUnsafeMutablePointer<AnyObject?>' results in a dangling pointer}}
|
|
// expected-note@-1 {{implicit argument conversion from 'C?' to 'UnsafeMutablePointer<C?>' produces a pointer valid only for the duration of the call to 'init(_:)'}}
|
|
// expected-note@-2 {{use 'withUnsafeMutablePointer' in order to explicitly convert argument to pointer valid for a defined scope}}
|
|
}
|