File: unavailable_decl_optimization_stub.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (21 lines) | stat: -rw-r--r-- 605 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// RUN: %empty-directory(%t)
// RUN: %target-build-swift -module-name main -Xfrontend -unavailable-decl-optimization=stub %s -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %target-run %t/a.out > %t/output 2>&1 || true
// RUN: %FileCheck %s < %t/output

// REQUIRES: executable_test

@available(*, unavailable)
public func foo() {
  print("Can't call this")
}

// To bypass the typechecker, forward declare an available function with the
// same mangling as foo.
@_silgen_name("$s4main3fooyyF")
func callFoo()

// CHECK: Fatal error: Unavailable code reached
// CHECK-NOT: Can't call this
callFoo()