File: ExclusivityREPL.test

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// Runtime checks for exclusive access should be enabled in the REPL.
// REQUIRES: swift

// RUN: %lldb --repl < %s 2>&1 | FileCheck %s
// CHECK-DAG: modification requires exclusive access
// CHECK-DAG: Execution interrupted

class C {
  var f = 12
}

let c = C()

func doIt(_ p1: inout Int, _ p2: inout Int) { }

let RTLD_DEFAULT = UnsafeMutableRawPointer(bitPattern: -2)
let flagPtr = dlsym(RTLD_DEFAULT, "_swift_disableExclusivityChecking")
let flagValue = flagPtr!.load(as: Bool.self)

print("flagValue is \(flagValue)")
doIt(&c.f, &c.f) // This should trap