test/Compatibility/attr_override_lazy.swift

// RUN: %target-swift-frontend -swift-version 4 -emit-silgen %s | %FileCheck %s

class Base {
  var foo: Int { return 0 }
  var bar: Int = 0
}

class Sub : Base {
  lazy override var foo: Int = 1
  lazy override var bar: Int = 1
  func test() -> Int {
    // CHECK-LABEL: sil {{.*}}@$s18attr_override_lazy3SubC4testSiyF
    // CHECK: class_method %0 : $Sub, #Sub.foo!getter.1
    // CHECK: class_method %0 : $Sub, #Sub.bar!getter.1
    // CHECK: // end sil function '$s18attr_override_lazy3SubC4testSiyF'
    return foo + bar // no ambiguity error here
  }
}

// CHECK-LABEL: sil_vtable Sub {
// CHECK: #Base.foo!getter.1: (Base) -> () -> Int : {{.*}} // Sub.foo.getter
// CHECK: #Base.bar!getter.1: (Base) -> () -> Int : {{.*}} // Sub.bar.getter
// CHECK: #Base.bar!setter.1: (Base) -> (Int) -> () : {{.*}} // Sub.bar.setter
// CHECK: #Base.bar!modify.1: (Base) -> {{.*}} : {{.*}} // Sub.bar.modify
// CHECK: }