FILE: equalsAndIdentity.kt
    public abstract interface A : R|kotlin/Any| {
        public abstract fun foo(): R|kotlin/Unit|

    }
    public final fun test_1(x: R|A|, y: R|A?|): R|kotlin/Unit| {
        when () {
            ==(R|<local>/x|, R|<local>/y|) ->  {
                R|<local>/x|.R|/A.foo|()
                R|<local>/y|.R|/A.foo|()
            }
        }

        when () {
            ===(R|<local>/x|, R|<local>/y|) ->  {
                R|<local>/x|.R|/A.foo|()
                R|<local>/y|.R|/A.foo|()
            }
        }

    }
    public final fun test_2(x: R|A?|, y: R|A?|): R|kotlin/Unit| {
        when () {
            ==(R|<local>/x|, R|<local>/y|) ->  {
                R|<local>/x|.R|/A.foo<Inapplicable(UNSAFE_CALL): /A.foo>#|()
                R|<local>/y|.R|/A.foo<Inapplicable(UNSAFE_CALL): /A.foo>#|()
            }
        }

        when () {
            ===(R|<local>/x|, R|<local>/y|) ->  {
                R|<local>/x|.R|/A.foo<Inapplicable(UNSAFE_CALL): /A.foo>#|()
                R|<local>/y|.R|/A.foo<Inapplicable(UNSAFE_CALL): /A.foo>#|()
            }
        }

    }
    public final fun test_3(x: R|A?|, y: R|A?|): R|kotlin/Unit| {
        when () {
            ==(R|<local>/y|, Null(null)) ->  {
                ^test_3 Unit
            }
        }

        when () {
            ==(R|<local>/x|, R|<local>/y|) ->  {
                R|<local>/x|.R|/A.foo|()
                R|<local>/y|.R|/A.foo|()
            }
        }

        when () {
            ===(R|<local>/x|, R|<local>/y|) ->  {
                R|<local>/x|.R|/A.foo|()
                R|<local>/y|.R|/A.foo|()
            }
        }

    }