| // RUN: %target-typecheck-verify-swift |
| // UNSUPPORTED: OS=windows-msvc |
| |
| #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) |
| import Darwin |
| typealias JumpBuffer = Int32 |
| #elseif os(Android) || os(Cygwin) || os(FreeBSD) || os(Linux) |
| import Glibc |
| typealias JumpBuffer = jmp_buf |
| #endif |
| |
| func test_unavailable_returns_twice_function() { |
| var x: JumpBuffer |
| _ = setjmp(&x) // expected-error {{'setjmp' is unavailable: Functions that may return more than one time (annotated with the 'returns_twice' attribute) are unavailable in Swift}} |
| } |
| |
