FIR: Adjust testData for spec tests: dfa

2020-04-15 13:06:26 +03:00
parent 86e1aadd31
commit 0d34299b7a
118 changed files with 31269 additions and 0 deletions
@@ -0,0 +1,278 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (POSITIVE)
+ *
+ * SECTIONS: dfa
+ * NUMBER: 11
+ * DESCRIPTION: Raw data flow analysis test
+ * HELPERS: classes, functions, interfaces, properties
+ */
+
+// TESTCASE NUMBER: 1
+fun <A, B : Inv<A>, C: Out<A?>> case_1(a: C, b: B) = select(a.x, b.x)
+
+fun case_1() {
+    val x = case_1(Out(10), Inv(0.1))
+
+    if (x != null) {
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.equals(null)
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.propT
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.propAny
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.propNullableT
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.propNullableAny
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.funT()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.funAny()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.funNullableT()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Double & kotlin.Int> & kotlin.Number? & kotlin.Comparable<kotlin.Double & kotlin.Int>?")!>x<!>.funNullableAny()
+    }
+}
+
+// TESTCASE NUMBER: 2
+fun <A, B : Inv<A>, C: Out<A?>> case_2(a: C, b: B) = select(a.x, b.x)
+
+fun case_2(y: Int) {
+    val x = case_2(Out(y), Inv(0.1))
+
+    if (x != null) {
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.equals(null)
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.propT
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.propAny
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.propNullableT
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.propNullableAny
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.funT()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.funAny()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.funNullableT()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Double>?")!>x<!>.funNullableAny()
+    }
+}
+
+/*
+ * TESTCASE NUMBER: 3
+ * ISSUES: KT-28670
+ */
+fun case_3(a: Int?, b: Float?, c: Double?, d: Boolean?) {
+    when (d) {
+        true -> a
+        false -> b
+        null -> c
+    }.apply {
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>this<!>
+        if (this != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>")!>this<!>.funNullableAny()
+        }
+    }.let {
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>
+        if (it != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Number & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double> & kotlin.Number? & kotlin.Comparable<kotlin.Int & kotlin.Float & kotlin.Double>?")!>it<!>.funNullableAny()
+        }
+    }
+}
+
+/*
+ * TESTCASE NUMBER: 4
+ * ISSUES: KT-28670
+ */
+fun case_4(a: Interface1?, b: Interface2?, c: Boolean) {
+    a as Interface2?
+    b as Interface1?
+    val x = when (c) {
+        true -> a
+        false -> b
+    }
+
+    x.apply {
+        <!DEBUG_INFO_EXPRESSION_TYPE("Interface2? & Interface1?")!>this<!>
+        if (this != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funNullableAny()
+        }
+    }
+    x.let {
+        <!DEBUG_INFO_EXPRESSION_TYPE("Interface2? & Interface1?")!>it<!>
+        if (it != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableAny()
+        }
+    }
+}
+
+/*
+ * TESTCASE NUMBER: 5
+ * ISSUES: KT-28670
+ */
+fun case_5(a: Interface1?, b: Interface2?, d: Boolean) {
+    a as Interface2?
+    b as Interface1
+    val x = when (d) {
+        true -> a
+        false -> b
+    }
+
+    x.apply {
+        if (this != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2 & Interface1")!>this<!>.funNullableAny()
+        }
+    }
+    x.let {
+        if (it != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableAny()
+        }
+    }
+}
+
+/*
+ * TESTCASE NUMBER: 6
+ * ISSUES: KT-28670
+ */
+fun case_6(a: Interface1?, b: Interface2, d: Boolean) {
+    a as Interface2?
+    b as Interface1
+    val x = when (d) {
+        true -> a
+        false -> b
+    }
+
+    x.apply {
+        this as Interface3
+        <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>
+        if (this != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funNullableAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.itest1()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.itest2()
+        }
+    }
+    x.let {
+        it as Interface3
+        <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>
+        if (it != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.itest1()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.itest2()
+        }
+    }
+}
+
+/*
+ * TESTCASE NUMBER: 7
+ * ISSUES: KT-28670
+ */
+fun case_7(a: Interface1?, b: Interface2?, d: Boolean) {
+    a as Interface2?
+    b as Interface1?
+    val x = when (d) {
+        true -> a
+        false -> b
+    }
+
+    x.apply {
+        this as Interface3?
+        <!DEBUG_INFO_EXPRESSION_TYPE("Interface3? & Interface2? & Interface1? & Interface3? & Interface2? & Interface1?")!>this<!>
+        if (this != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.funNullableAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.itest1()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface3 & Interface2 & Interface1")!>this<!>.itest2()
+        }
+    }
+    x.let {
+        it as Interface3?
+        <!DEBUG_INFO_EXPRESSION_TYPE("Interface3? & Interface2? & Interface1? & Interface2? & Interface1?")!>it<!>
+        if (it != null) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.equals(null)
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableT
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.propNullableAny
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableT()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.funNullableAny()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.itest1()
+            <!DEBUG_INFO_EXPRESSION_TYPE("Interface3 & Interface2 & Interface1 & Interface2? & Interface1?")!>it<!>.itest2()
+        }
+    }
+}