Fix intersection type handling in PSI2IR

2020-02-20 19:13:33 +03:00
parent 1624327ba4
commit e9a7be4a46
16 changed files with 463 additions and 76 deletions
@@ -36,15 +36,15 @@ FILE fqName:<root> fileName:/implicitCastToTypeParameter.kt
      $receiver: VALUE_PARAMETER name:<this> type:<root>.Foo<T of <root>.<get-asT>>
      BLOCK_BODY
        RETURN type=kotlin.Nothing from='public final fun <get-asT> <T> (): T of <root>.<get-asT>? [inline] declared in <root>'
-          WHEN type=kotlin.Any? origin=IF
-            BRANCH
-              if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=T of <root>.<get-asT>
-                GET_VAR '<this>: <root>.Foo<T of <root>.<get-asT>> declared in <root>.<get-asT>' type=<root>.Foo<T of <root>.<get-asT>> origin=null
-              then: TYPE_OP type=kotlin.Any origin=IMPLICIT_CAST typeOperand=kotlin.Any
-                GET_VAR '<this>: <root>.Foo<T of <root>.<get-asT>> declared in <root>.<get-asT>' type=<root>.Foo<T of <root>.<get-asT>> origin=null
-            BRANCH
-              if: CONST Boolean type=kotlin.Boolean value=true
-              then: CONST Null type=kotlin.Nothing? value=null
+          TYPE_OP type=T of <root>.<get-asT>? origin=IMPLICIT_CAST typeOperand=T of <root>.<get-asT>?
+            WHEN type=kotlin.Any? origin=IF
+              BRANCH
+                if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=T of <root>.<get-asT>
+                  GET_VAR '<this>: <root>.Foo<T of <root>.<get-asT>> declared in <root>.<get-asT>' type=<root>.Foo<T of <root>.<get-asT>> origin=null
+                then: GET_VAR '<this>: <root>.Foo<T of <root>.<get-asT>> declared in <root>.<get-asT>' type=<root>.Foo<T of <root>.<get-asT>> origin=null
+              BRANCH
+                if: CONST Boolean type=kotlin.Boolean value=true
+                then: CONST Null type=kotlin.Nothing? value=null
  CLASS CLASS name:Bar modality:FINAL visibility:public superTypes:[kotlin.Any]
    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Bar<T of <root>.Bar>
    TYPE_PARAMETER name:T index:0 variance: superTypes:[kotlin.Any?]
@@ -95,19 +95,21 @@ FILE fqName:<root> fileName:/localVariableOfIntersectionType_NI.kt
    VALUE_PARAMETER name:z index:2 type:<root>.Z
    BLOCK_BODY
      CALL 'public abstract fun foo (): kotlin.Unit declared in <root>.IA' type=kotlin.Unit origin=null
-        $this: CALL 'public abstract fun <get-t> (): T of <root>.Inv declared in <root>.Inv' type=kotlin.Any origin=GET_PROPERTY
-          $this: CALL 'public abstract fun create <T> (x: <root>.In<T of <root>.Z.create>, y: <root>.In<T of <root>.Z.create>): <root>.Inv<T of <root>.Z.create> declared in <root>.Z' type=<root>.Inv<out kotlin.Any> origin=null
-            <T>: kotlin.Any
-            $this: GET_VAR 'z: <root>.Z declared in <root>.test' type=<root>.Z origin=null
-            x: GET_VAR 'a: <root>.In<<root>.IA> declared in <root>.test' type=<root>.In<<root>.IA> origin=null
-            y: GET_VAR 'b: <root>.In<<root>.IB> declared in <root>.test' type=<root>.In<<root>.IB> origin=null
+        $this: TYPE_OP type=<root>.IA origin=IMPLICIT_CAST typeOperand=<root>.IA
+          CALL 'public abstract fun <get-t> (): T of <root>.Inv declared in <root>.Inv' type=kotlin.Any origin=GET_PROPERTY
+            $this: CALL 'public abstract fun create <T> (x: <root>.In<T of <root>.Z.create>, y: <root>.In<T of <root>.Z.create>): <root>.Inv<T of <root>.Z.create> declared in <root>.Z' type=<root>.Inv<out kotlin.Any> origin=null
+              <T>: kotlin.Any
+              $this: GET_VAR 'z: <root>.Z declared in <root>.test' type=<root>.Z origin=null
+              x: GET_VAR 'a: <root>.In<<root>.IA> declared in <root>.test' type=<root>.In<<root>.IA> origin=null
+              y: GET_VAR 'b: <root>.In<<root>.IB> declared in <root>.test' type=<root>.In<<root>.IB> origin=null
      CALL 'public abstract fun bar (): kotlin.Unit declared in <root>.IB' type=kotlin.Unit origin=null
-        $this: CALL 'public abstract fun <get-t> (): T of <root>.Inv declared in <root>.Inv' type=kotlin.Any origin=GET_PROPERTY
-          $this: CALL 'public abstract fun create <T> (x: <root>.In<T of <root>.Z.create>, y: <root>.In<T of <root>.Z.create>): <root>.Inv<T of <root>.Z.create> declared in <root>.Z' type=<root>.Inv<out kotlin.Any> origin=null
-            <T>: kotlin.Any
-            $this: GET_VAR 'z: <root>.Z declared in <root>.test' type=<root>.Z origin=null
-            x: GET_VAR 'a: <root>.In<<root>.IA> declared in <root>.test' type=<root>.In<<root>.IA> origin=null
-            y: GET_VAR 'b: <root>.In<<root>.IB> declared in <root>.test' type=<root>.In<<root>.IB> origin=null
+        $this: TYPE_OP type=<root>.IB origin=IMPLICIT_CAST typeOperand=<root>.IB
+          CALL 'public abstract fun <get-t> (): T of <root>.Inv declared in <root>.Inv' type=kotlin.Any origin=GET_PROPERTY
+            $this: CALL 'public abstract fun create <T> (x: <root>.In<T of <root>.Z.create>, y: <root>.In<T of <root>.Z.create>): <root>.Inv<T of <root>.Z.create> declared in <root>.Z' type=<root>.Inv<out kotlin.Any> origin=null
+              <T>: kotlin.Any
+              $this: GET_VAR 'z: <root>.Z declared in <root>.test' type=<root>.Z origin=null
+              x: GET_VAR 'a: <root>.In<<root>.IA> declared in <root>.test' type=<root>.In<<root>.IA> origin=null
+              y: GET_VAR 'b: <root>.In<<root>.IB> declared in <root>.test' type=<root>.In<<root>.IB> origin=null
      VAR name:t type:kotlin.Any [val]
        CALL 'public abstract fun <get-t> (): T of <root>.Inv declared in <root>.Inv' type=kotlin.Any origin=GET_PROPERTY
          $this: CALL 'public abstract fun create <T> (x: <root>.In<T of <root>.Z.create>, y: <root>.In<T of <root>.Z.create>): <root>.Inv<T of <root>.Z.create> declared in <root>.Z' type=<root>.Inv<out kotlin.Any> origin=null
@@ -116,6 +118,8 @@ FILE fqName:<root> fileName:/localVariableOfIntersectionType_NI.kt
            x: GET_VAR 'a: <root>.In<<root>.IA> declared in <root>.test' type=<root>.In<<root>.IA> origin=null
            y: GET_VAR 'b: <root>.In<<root>.IB> declared in <root>.test' type=<root>.In<<root>.IB> origin=null
      CALL 'public abstract fun foo (): kotlin.Unit declared in <root>.IA' type=kotlin.Unit origin=null
-        $this: GET_VAR 'val t: kotlin.Any [val] declared in <root>.test' type=kotlin.Any origin=null
+        $this: TYPE_OP type=<root>.IA origin=IMPLICIT_CAST typeOperand=<root>.IA
+          GET_VAR 'val t: kotlin.Any [val] declared in <root>.test' type=kotlin.Any origin=null
      CALL 'public abstract fun bar (): kotlin.Unit declared in <root>.IB' type=kotlin.Unit origin=null
-        $this: GET_VAR 'val t: kotlin.Any [val] declared in <root>.test' type=kotlin.Any origin=null
+        $this: TYPE_OP type=<root>.IB origin=IMPLICIT_CAST typeOperand=<root>.IB
+          GET_VAR 'val t: kotlin.Any [val] declared in <root>.test' type=kotlin.Any origin=null
@@ -0,0 +1,136 @@
+FILE fqName:<root> fileName:/receiverOfIntersectionType.kt
+  CLASS INTERFACE name:K modality:ABSTRACT visibility:public superTypes:[kotlin.Any]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.K
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS INTERFACE name:I modality:ABSTRACT visibility:public superTypes:[<root>.K]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.I
+    FUN name:ff visibility:public modality:ABSTRACT <> ($this:<root>.I) returnType:kotlin.Unit
+      $this: VALUE_PARAMETER name:<this> type:<root>.I
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS INTERFACE name:J modality:ABSTRACT visibility:public superTypes:[<root>.K]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.J
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS CLASS name:A modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.A
+    CONSTRUCTOR visibility:public <> () returnType:<root>.A [primary]
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:A modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]'
+    FUN name:ff visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Unit
+      $this: VALUE_PARAMETER name:<this> type:<root>.A
+      BLOCK_BODY
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS CLASS name:B modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.B
+    CONSTRUCTOR visibility:public <> () returnType:<root>.B [primary]
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:B modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]'
+    FUN name:ff visibility:public modality:FINAL <> ($this:<root>.B) returnType:kotlin.Unit
+      $this: VALUE_PARAMETER name:<this> type:<root>.B
+      BLOCK_BODY
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  FUN name:testIntersection visibility:public modality:FINAL <> (a:<root>.A, b:<root>.B) returnType:kotlin.Unit
+    VALUE_PARAMETER name:a index:0 type:<root>.A
+    VALUE_PARAMETER name:b index:1 type:<root>.B
+    BLOCK_BODY
+      VAR name:v type:<root>.I [val]
+        WHEN type=<root>.I origin=IF
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: GET_VAR 'a: <root>.A declared in <root>.testIntersection' type=<root>.A origin=null
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: GET_VAR 'b: <root>.B declared in <root>.testIntersection' type=<root>.B origin=null
+      CALL 'public abstract fun ff (): kotlin.Unit declared in <root>.I' type=kotlin.Unit origin=null
+        $this: GET_VAR 'val v: <root>.I [val] declared in <root>.testIntersection' type=<root>.I origin=null
+  FUN name:testFlexible1 visibility:public modality:FINAL <> () returnType:kotlin.Unit
+    BLOCK_BODY
+      VAR name:v type:<root>.I? [val]
+        WHEN type=<root>.I? origin=IF
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun a (): <root>.A? declared in <root>.Java' type=<root>.A? origin=null
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun b (): <root>.B? declared in <root>.Java' type=<root>.B? origin=null
+      CALL 'public abstract fun ff (): kotlin.Unit declared in <root>.I' type=kotlin.Unit origin=null
+        $this: GET_VAR 'val v: <root>.I? [val] declared in <root>.testFlexible1' type=<root>.I? origin=null
+  FUN name:testFlexible2 visibility:public modality:FINAL <> (a:<root>.A, b:<root>.B) returnType:kotlin.Unit
+    VALUE_PARAMETER name:a index:0 type:<root>.A
+    VALUE_PARAMETER name:b index:1 type:<root>.B
+    BLOCK_BODY
+      VAR name:v type:<root>.I? [val]
+        WHEN type=<root>.I? origin=IF
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun id <T> (x: T of <root>.Java.id?): T of <root>.Java.id? declared in <root>.Java' type=<root>.A? origin=null
+              <T>: <root>.A?
+              x: GET_VAR 'a: <root>.A declared in <root>.testFlexible2' type=<root>.A origin=null
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun id <T> (x: T of <root>.Java.id?): T of <root>.Java.id? declared in <root>.Java' type=<root>.B? origin=null
+              <T>: <root>.B?
+              x: GET_VAR 'b: <root>.B declared in <root>.testFlexible2' type=<root>.B origin=null
+      CALL 'public abstract fun ff (): kotlin.Unit declared in <root>.I' type=kotlin.Unit origin=null
+        $this: GET_VAR 'val v: <root>.I? [val] declared in <root>.testFlexible2' type=<root>.I? origin=null
@@ -0,0 +1,40 @@
+// !LANGUAGE: +NewInference
+// FILE: receiverOfIntersectionType.kt
+
+interface K
+
+interface I : K {
+    fun ff()
+}
+
+interface J : K {}
+
+class A: I, J {
+    override fun ff() {}
+}
+
+class B: I, J {
+    override fun ff() {}
+}
+
+fun testIntersection(a: A, b: B) {
+    val v = if (true) a else b
+    v.ff()
+}
+
+fun testFlexible1() {
+    val v = if (true) Java.a() else Java.b()
+    v.ff()
+}
+
+fun testFlexible2(a: A, b: B) {
+    val v = if (true) Java.id(a) else Java.id(b)
+    v.ff()
+}
+
+// FILE: Java.java
+public class Java {
+    public static A a() { return new A(); }
+    public static B b() { return new B(); }
+    public static <T> T id(T x) { return x; }
+}
@@ -0,0 +1,151 @@
+FILE fqName:<root> fileName:/receiverOfIntersectionType.kt
+  CLASS INTERFACE name:K modality:ABSTRACT visibility:public superTypes:[kotlin.Any]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.K
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS INTERFACE name:I modality:ABSTRACT visibility:public superTypes:[<root>.K]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.I
+    FUN name:ff visibility:public modality:ABSTRACT <> ($this:<root>.I) returnType:kotlin.Unit
+      $this: VALUE_PARAMETER name:<this> type:<root>.I
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.K
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.K
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String [fake_override] declared in <root>.K
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS INTERFACE name:J modality:ABSTRACT visibility:public superTypes:[<root>.K]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.J
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.K
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.K
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String [fake_override] declared in <root>.K
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS CLASS name:A modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.A
+    CONSTRUCTOR visibility:public <> () returnType:<root>.A [primary]
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:A modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]'
+    FUN name:ff visibility:public modality:OPEN <> ($this:<root>.A) returnType:kotlin.Unit
+      overridden:
+        public abstract fun ff (): kotlin.Unit declared in <root>.I
+      $this: VALUE_PARAMETER name:<this> type:<root>.A
+      BLOCK_BODY
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.I
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.J
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.I
+        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.J
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String [fake_override] declared in <root>.I
+        public open fun toString (): kotlin.String [fake_override] declared in <root>.J
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  CLASS CLASS name:B modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.B
+    CONSTRUCTOR visibility:public <> () returnType:<root>.B [primary]
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:B modality:FINAL visibility:public superTypes:[<root>.I; <root>.J]'
+    FUN name:ff visibility:public modality:OPEN <> ($this:<root>.B) returnType:kotlin.Unit
+      overridden:
+        public abstract fun ff (): kotlin.Unit declared in <root>.I
+      $this: VALUE_PARAMETER name:<this> type:<root>.B
+      BLOCK_BODY
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.I
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in <root>.J
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      overridden:
+        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.I
+        public open fun hashCode (): kotlin.Int [fake_override] declared in <root>.J
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      overridden:
+        public open fun toString (): kotlin.String [fake_override] declared in <root>.I
+        public open fun toString (): kotlin.String [fake_override] declared in <root>.J
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+  FUN name:testIntersection visibility:public modality:FINAL <> (a:<root>.A, b:<root>.B) returnType:kotlin.Unit
+    VALUE_PARAMETER name:a index:0 type:<root>.A
+    VALUE_PARAMETER name:b index:1 type:<root>.B
+    BLOCK_BODY
+      VAR name:v type:<root>.K [val]
+        WHEN type=<root>.K origin=IF
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: GET_VAR 'a: <root>.A declared in <root>.testIntersection' type=<root>.A origin=null
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: GET_VAR 'b: <root>.B declared in <root>.testIntersection' type=<root>.B origin=null
+      CALL 'public abstract fun ff (): kotlin.Unit declared in <root>.I' type=kotlin.Unit origin=null
+        $this: TYPE_OP type=<root>.I origin=IMPLICIT_CAST typeOperand=<root>.I
+          GET_VAR 'val v: <root>.K [val] declared in <root>.testIntersection' type=<root>.K origin=null
+  FUN name:testFlexible1 visibility:public modality:FINAL <> () returnType:kotlin.Unit
+    BLOCK_BODY
+      VAR name:v type:<root>.K? [val]
+        WHEN type=<root>.K? origin=IF
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun a (): <root>.A? declared in <root>.Java' type=<root>.A? origin=null
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun b (): <root>.B? declared in <root>.Java' type=<root>.B? origin=null
+      CALL 'public abstract fun ff (): kotlin.Unit declared in <root>.I' type=kotlin.Unit origin=null
+        $this: TYPE_OP type=<root>.I origin=IMPLICIT_CAST typeOperand=<root>.I
+          TYPE_OP type=<root>.K origin=IMPLICIT_NOTNULL typeOperand=<root>.K
+            GET_VAR 'val v: <root>.K? [val] declared in <root>.testFlexible1' type=<root>.K? origin=null
+  FUN name:testFlexible2 visibility:public modality:FINAL <> (a:<root>.A, b:<root>.B) returnType:kotlin.Unit
+    VALUE_PARAMETER name:a index:0 type:<root>.A
+    VALUE_PARAMETER name:b index:1 type:<root>.B
+    BLOCK_BODY
+      VAR name:v type:<root>.K? [val]
+        WHEN type=<root>.K? origin=IF
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun id <T> (x: T of <root>.Java.id?): T of <root>.Java.id? declared in <root>.Java' type=<root>.A? origin=null
+              <T>: <root>.A?
+              x: GET_VAR 'a: <root>.A declared in <root>.testFlexible2' type=<root>.A origin=null
+          BRANCH
+            if: CONST Boolean type=kotlin.Boolean value=true
+            then: CALL 'public open fun id <T> (x: T of <root>.Java.id?): T of <root>.Java.id? declared in <root>.Java' type=<root>.B? origin=null
+              <T>: <root>.B?
+              x: GET_VAR 'b: <root>.B declared in <root>.testFlexible2' type=<root>.B origin=null
+      CALL 'public abstract fun ff (): kotlin.Unit declared in <root>.I' type=kotlin.Unit origin=null
+        $this: TYPE_OP type=<root>.I origin=IMPLICIT_CAST typeOperand=<root>.I
+          TYPE_OP type=<root>.K origin=IMPLICIT_NOTNULL typeOperand=<root>.K
+            GET_VAR 'val v: <root>.K? [val] declared in <root>.testFlexible2' type=<root>.K? origin=null