FIR2IR: Fix complex cases of smart cast expressions used as dispatch receiver

It might be not only <ExpressionWithSmartCast>(a).foo(), but also
id(<ExpressionWithSmartCast>(a)).foo() and many other cases

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -34894,6 +34894,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
         }
 
+        @Test
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @Test
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrImplicitCastInserter.kt

@@ -280,31 +280,29 @@ class Fir2IrImplicitCastInserter(
         return implicitCastOrExpression(data as IrExpression, expressionWithSmartcast.typeRef)
     }
 
-    internal fun convertToImplicitCastExpression(
+    internal fun implicitCastFromDispatchReceiver(
-        expressionWithSmartcast: FirExpressionWithSmartcast, calleeReference: FirReference
+        original: IrExpression,
+        originalTypeRef: FirTypeRef,
+        calleeReference: FirReference,
     ): IrExpression {
-        val originalExpression = expressionWithSmartcast.originalExpression
-        val value = visitor.convertToIrExpression(originalExpression)
-
-        val typeRef = expressionWithSmartcast.typeRef
         val referencedDeclaration =
             ((calleeReference as? FirResolvedNamedReference)?.resolvedSymbol as? FirCallableSymbol<*>)?.unwrapCallRepresentative()
-                ?.fir as FirCallableMemberDeclaration<*>
+                ?.fir as? FirCallableMemberDeclaration<*>
 
         val dispatchReceiverType =
-            referencedDeclaration.dispatchReceiverType as? ConeClassLikeType
+            referencedDeclaration?.dispatchReceiverType as? ConeClassLikeType
-                ?: return implicitCastOrExpression(value, typeRef)
+                ?: return implicitCastOrExpression(original, originalTypeRef)
 
         val starProjectedDispatchReceiver = dispatchReceiverType.replaceArgumentsWithStarProjections()
 
-        val castType = typeRef.coneTypeSafe<ConeIntersectionType>()
+        val castType = originalTypeRef.coneTypeSafe<ConeIntersectionType>()
-        castType?.intersectedTypes?.forEach { type ->
+        castType?.intersectedTypes?.forEach { componentType ->
-            if (AbstractTypeChecker.isSubtypeOf(session.typeContext, type, starProjectedDispatchReceiver)) {
+            if (AbstractTypeChecker.isSubtypeOf(session.typeContext, componentType, starProjectedDispatchReceiver)) {
-                return implicitCastOrExpression(value, type)
+                return implicitCastOrExpression(original, componentType)
             }
         }
 
-        return implicitCastOrExpression(value, typeRef)
+        return implicitCastOrExpression(original, originalTypeRef)
     }
 
     private fun implicitCastOrExpression(original: IrExpression, castType: ConeKotlinType): IrExpression {

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt

@@ -21,6 +21,7 @@ import org.jetbrains.kotlin.fir.expressions.impl.FirStubStatement
 import org.jetbrains.kotlin.fir.expressions.impl.FirUnitExpression
 import org.jetbrains.kotlin.fir.references.FirReference
 import org.jetbrains.kotlin.fir.references.FirResolvedNamedReference
+import org.jetbrains.kotlin.fir.references.FirSuperReference
 import org.jetbrains.kotlin.fir.resolve.isIteratorNext
 import org.jetbrains.kotlin.fir.resolve.toSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.*
@@ -476,10 +477,10 @@ class Fir2IrVisitor(
         callableReferenceAccess: FirCallableReferenceAccess? = null
     ): IrExpression? {
         return when (expression) {
-            null -> null
+            null -> return null
             is FirResolvedQualifier -> callGenerator.convertToGetObject(expression, callableReferenceAccess)
-            is FirExpressionWithSmartcast -> implicitCastInserter.convertToImplicitCastExpression(expression, calleeReference)
+            is FirFunctionCall, is FirThisReceiverExpression, is FirCallableReferenceAccess, is FirExpressionWithSmartcast ->
-            is FirFunctionCall, is FirThisReceiverExpression, is FirCallableReferenceAccess -> convertToIrExpression(expression)
+                convertToIrExpression(expression)
             else -> if (expression is FirQualifiedAccessExpression && expression.explicitReceiver == null) {
                 val variableAsFunctionMode = calleeReference is FirResolvedNamedReference &&
                         calleeReference.name != OperatorNameConventions.INVOKE &&
@@ -491,6 +492,10 @@ class Fir2IrVisitor(
             } else {
                 convertToIrExpression(expression)
             }
+        }?.run {
+            if (expression is FirQualifiedAccessExpression && expression.calleeReference is FirSuperReference) return@run this
+
+            implicitCastInserter.implicitCastFromDispatchReceiver(this, expression.typeRef, calleeReference)
         }
     }
 

compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt

@@ -0,0 +1,26 @@
+abstract class A {
+    abstract fun o(): String
+}
+
+interface B {
+    fun k(): String
+}
+
+fun <T> id(x: T): T = x
+
+fun foo(a: A?): String {
+    if (a is B) {
+        return id(a).o() + a!!.k()
+    }
+
+    return "fail"
+}
+
+class Impl : A(), B {
+    override fun o(): String = "O"
+    override fun k(): String = "K"
+}
+
+fun box(): String {
+    return foo(Impl())
+}

compiler/testData/ir/irText/expressions/bangbang.fir.kt.txt

@@ -7,7 +7,7 @@ fun test2(a: Any?): Int {
     val tmp0_safe_receiver: Any? = a
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.hashCode()
+      else -> tmp0_safe_receiver /*as Any */.hashCode()
     }
   })
 }

compiler/testData/ir/irText/expressions/bangbang.fir.txt

@@ -24,7 +24,8 @@ FILE fqName:<root> fileName:/bangbang.kt
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
                 then: CALL 'public open fun hashCode (): kotlin.Int declared in kotlin.Any' type=kotlin.Int origin=null
-                  $this: GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.test2' type=kotlin.Any? origin=null
+                  $this: TYPE_OP type=kotlin.Any origin=IMPLICIT_CAST typeOperand=kotlin.Any
+                    GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.test2' type=kotlin.Any? origin=null
   FUN name:test3 visibility:public modality:FINAL <X> (a:X of <root>.test3) returnType:X of <root>.test3
     TYPE_PARAMETER name:X index:0 variance: superTypes:[kotlin.Any?]
     VALUE_PARAMETER name:a index:0 type:X of <root>.test3

compiler/testData/ir/irText/expressions/chainOfSafeCalls.kt.txt

@@ -23,23 +23,22 @@ fun test(nc: C?): C? {
           val tmp0_safe_receiver: C? = nc
           when {
             EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-            else -> tmp0_safe_receiver.foo()
+            else -> tmp0_safe_receiver /*as C */.foo()
           }
         }
         when {
           EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null
-          else -> tmp1_safe_receiver.bar()
+          else -> tmp1_safe_receiver /*as C */.bar()
         }
       }
       when {
         EQEQ(arg0 = tmp2_safe_receiver, arg1 = null) -> null
-        else -> tmp2_safe_receiver.foo()
+        else -> tmp2_safe_receiver /*as C */.foo()
       }
     }
     when {
       EQEQ(arg0 = tmp3_safe_receiver, arg1 = null) -> null
-      else -> tmp3_safe_receiver.foo()
+      else -> tmp3_safe_receiver /*as C */.foo()
     }
   }
 }
-

compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt

@@ -50,7 +50,8 @@ FILE fqName:<root> fileName:/chainOfSafeCalls.kt
                         BRANCH
                           if: CONST Boolean type=kotlin.Boolean value=true
                           then: CALL 'public final fun foo (): <root>.C declared in <root>.C' type=<root>.C origin=null
-                            $this: GET_VAR 'val tmp_3: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
+                            $this: TYPE_OP type=<root>.C origin=IMPLICIT_CAST typeOperand=<root>.C
+                              GET_VAR 'val tmp_3: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
                   WHEN type=<root>.C? origin=null
                     BRANCH
                       if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
@@ -60,7 +61,8 @@ FILE fqName:<root> fileName:/chainOfSafeCalls.kt
                     BRANCH
                       if: CONST Boolean type=kotlin.Boolean value=true
                       then: CALL 'public final fun bar (): <root>.C? declared in <root>.C' type=<root>.C? origin=null
-                        $this: GET_VAR 'val tmp_2: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
+                        $this: TYPE_OP type=<root>.C origin=IMPLICIT_CAST typeOperand=<root>.C
+                          GET_VAR 'val tmp_2: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
               WHEN type=<root>.C? origin=null
                 BRANCH
                   if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
@@ -70,7 +72,8 @@ FILE fqName:<root> fileName:/chainOfSafeCalls.kt
                 BRANCH
                   if: CONST Boolean type=kotlin.Boolean value=true
                   then: CALL 'public final fun foo (): <root>.C declared in <root>.C' type=<root>.C origin=null
-                    $this: GET_VAR 'val tmp_1: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
+                    $this: TYPE_OP type=<root>.C origin=IMPLICIT_CAST typeOperand=<root>.C
+                      GET_VAR 'val tmp_1: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
           WHEN type=<root>.C? origin=null
             BRANCH
               if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
@@ -80,4 +83,5 @@ FILE fqName:<root> fileName:/chainOfSafeCalls.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public final fun foo (): <root>.C declared in <root>.C' type=<root>.C origin=null
-                $this: GET_VAR 'val tmp_0: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
+                $this: TYPE_OP type=<root>.C origin=IMPLICIT_CAST typeOperand=<root>.C
+                  GET_VAR 'val tmp_0: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null

compiler/testData/ir/irText/expressions/coercionToUnit.fir.kt.txt

@@ -14,14 +14,14 @@ fun test3() {
     val tmp0_safe_receiver: PrintStream? = #out
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.println(p0 = "Hello,")
+      else -> tmp0_safe_receiver /*as @FlexibleNullability PrintStream */.println(p0 = "Hello,")
     }
   } /*~> Unit */
   { // BLOCK
     val tmp1_safe_receiver: PrintStream? = #out
     when {
       EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null
-      else -> tmp1_safe_receiver.println(p0 = "world!")
+      else -> tmp1_safe_receiver /*as @FlexibleNullability PrintStream */.println(p0 = "world!")
     }
   } /*~> Unit */
 }

compiler/testData/ir/irText/expressions/coercionToUnit.fir.txt

@@ -34,7 +34,8 @@ FILE fqName:<root> fileName:/coercionToUnit.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun println (p0: kotlin.String?): kotlin.Unit declared in java.io.PrintStream' type=kotlin.Unit origin=null
-                $this: GET_VAR 'val tmp_0: java.io.PrintStream? [val] declared in <root>.test3' type=java.io.PrintStream? origin=null
+                $this: TYPE_OP type=@[FlexibleNullability] java.io.PrintStream origin=IMPLICIT_CAST typeOperand=@[FlexibleNullability] java.io.PrintStream
+                  GET_VAR 'val tmp_0: java.io.PrintStream? [val] declared in <root>.test3' type=java.io.PrintStream? origin=null
                 p0: CONST String type=kotlin.String value="Hello,"
       TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
         BLOCK type=kotlin.Unit? origin=SAFE_CALL
@@ -49,5 +50,6 @@ FILE fqName:<root> fileName:/coercionToUnit.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun println (p0: kotlin.String?): kotlin.Unit declared in java.io.PrintStream' type=kotlin.Unit origin=null
-                $this: GET_VAR 'val tmp_1: java.io.PrintStream? [val] declared in <root>.test3' type=java.io.PrintStream? origin=null
+                $this: TYPE_OP type=@[FlexibleNullability] java.io.PrintStream origin=IMPLICIT_CAST typeOperand=@[FlexibleNullability] java.io.PrintStream
+                  GET_VAR 'val tmp_1: java.io.PrintStream? [val] declared in <root>.test3' type=java.io.PrintStream? origin=null
                 p0: CONST String type=kotlin.String value="world!"

compiler/testData/ir/irText/expressions/dotQualified.kt.txt

@@ -7,8 +7,7 @@ fun lengthN(s: String?): Int? {
     val tmp0_safe_receiver: String? = s
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.<get-length>()
+      else -> tmp0_safe_receiver /*as String */.<get-length>()
     }
   }
 }
-

compiler/testData/ir/irText/expressions/dotQualified.txt

@@ -21,4 +21,5 @@ FILE fqName:<root> fileName:/dotQualified.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun <get-length> (): kotlin.Int declared in kotlin.String' type=kotlin.Int origin=GET_PROPERTY
-                $this: GET_VAR 'val tmp_0: kotlin.String? [val] declared in <root>.lengthN' type=kotlin.String? origin=null
+                $this: TYPE_OP type=kotlin.String origin=IMPLICIT_CAST typeOperand=kotlin.String
+                  GET_VAR 'val tmp_0: kotlin.String? [val] declared in <root>.lengthN' type=kotlin.String? origin=null

compiler/testData/ir/irText/expressions/kt30020.fir.kt.txt

@@ -15,14 +15,14 @@ fun test(x: X, nx: X?) {
     val tmp0_safe_receiver: X? = nx
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.<get-xs>()
+      else -> tmp0_safe_receiver /*as X */.<get-xs>()
     }
   }).plusAssign<Int>(element = 5)
   CHECK_NOT_NULL<MutableList<Any>>(arg0 = { // BLOCK
     val tmp1_safe_receiver: X? = nx
     when {
       EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null
-      else -> tmp1_safe_receiver.f()
+      else -> tmp1_safe_receiver /*as X */.f()
     }
   }).plusAssign<Int>(element = 6)
 }

compiler/testData/ir/irText/expressions/kt30020.fir.txt

@@ -62,7 +62,8 @@ FILE fqName:<root> fileName:/kt30020.kt
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
                 then: CALL 'public abstract fun <get-xs> (): kotlin.collections.MutableList<kotlin.Any> declared in <root>.X' type=kotlin.collections.MutableList<kotlin.Any> origin=GET_PROPERTY
-                  $this: GET_VAR 'val tmp_0: <root>.X? [val] declared in <root>.test' type=<root>.X? origin=null
+                  $this: TYPE_OP type=<root>.X origin=IMPLICIT_CAST typeOperand=<root>.X
+                    GET_VAR 'val tmp_0: <root>.X? [val] declared in <root>.test' type=<root>.X? origin=null
         element: CONST Int type=kotlin.Int value=5
       CALL 'public final fun plusAssign <T> (element: T of kotlin.collections.CollectionsKt.plusAssign): kotlin.Unit [inline,operator] declared in kotlin.collections.CollectionsKt' type=kotlin.Unit origin=null
         <T>: kotlin.Int
@@ -80,7 +81,8 @@ FILE fqName:<root> fileName:/kt30020.kt
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
                 then: CALL 'public abstract fun f (): kotlin.collections.MutableList<kotlin.Any> declared in <root>.X' type=kotlin.collections.MutableList<kotlin.Any> origin=null
-                  $this: GET_VAR 'val tmp_1: <root>.X? [val] declared in <root>.test' type=<root>.X? origin=null
+                  $this: TYPE_OP type=<root>.X origin=IMPLICIT_CAST typeOperand=<root>.X
+                    GET_VAR 'val tmp_1: <root>.X? [val] declared in <root>.test' type=<root>.X? origin=null
         element: CONST Int type=kotlin.Int value=6
   FUN name:testExtensionReceiver visibility:public modality:FINAL <> ($receiver:kotlin.collections.MutableList<kotlin.Any>) returnType:kotlin.Unit
     $receiver: VALUE_PARAMETER name:<this> type:kotlin.collections.MutableList<kotlin.Any>

compiler/testData/ir/irText/expressions/safeAssignment.fir.kt.txt

@@ -17,7 +17,7 @@ fun test(nc: C?) {
     val tmp0_safe_receiver: C? = nc
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.<set-x>(<set-?> = 42)
+      else -> tmp0_safe_receiver /*as C */.<set-x>(<set-?> = 42)
     }
   } /*~> Unit */
 }

compiler/testData/ir/irText/expressions/safeAssignment.fir.txt

@@ -54,5 +54,6 @@ FILE fqName:<root> fileName:/safeAssignment.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public final fun <set-x> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.C' type=kotlin.Unit origin=EQ
-                $this: GET_VAR 'val tmp_0: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
+                $this: TYPE_OP type=<root>.C origin=IMPLICIT_CAST typeOperand=<root>.C
+                  GET_VAR 'val tmp_0: <root>.C? [val] declared in <root>.test' type=<root>.C? origin=null
                 <set-?>: CONST Int type=kotlin.Int value=42

compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.fir.kt.txt

@@ -21,7 +21,7 @@ operator fun Int?.inc(): Int? {
     val tmp0_safe_receiver: Int? = <this>
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.inc()
+      else -> tmp0_safe_receiver /*as Int */.inc()
     }
   }
 }
@@ -38,14 +38,14 @@ fun testProperty(nc: C?) {
     val tmp1_safe_receiver: C? = nc
     when {
       EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null
-      else -> tmp1_safe_receiver.<get-p>()
+      else -> tmp1_safe_receiver /*as C */.<get-p>()
     }
   }
   { // BLOCK
     val tmp2_safe_receiver: C? = nc
     when {
       EQEQ(arg0 = tmp2_safe_receiver, arg1 = null) -> null
-      else -> tmp2_safe_receiver.<set-p>(value = <unary>.inc())
+      else -> tmp2_safe_receiver /*as C */.<set-p>(value = <unary>.inc())
     }
   } /*~> Unit */
   <unary> /*~> Unit */
@@ -56,7 +56,7 @@ fun testArrayAccess(nc: C?) {
     val tmp3_safe_receiver: C? = nc
     when {
       EQEQ(arg0 = tmp3_safe_receiver, arg1 = null) -> null
-      else -> tmp3_safe_receiver.<get-p>()
+      else -> tmp3_safe_receiver /*as C */.<get-p>()
     }
   }
   val <index0>: Int = 0

compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.fir.txt

@@ -46,7 +46,8 @@ FILE fqName:test fileName:/safeCallWithIncrementDecrement.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public final fun inc (): kotlin.Int [operator] declared in kotlin.Int' type=kotlin.Int origin=null
-                $this: GET_VAR 'val tmp_0: kotlin.Int? [val] declared in test.inc' type=kotlin.Int? origin=null
+                $this: TYPE_OP type=kotlin.Int origin=IMPLICIT_CAST typeOperand=kotlin.Int
+                  GET_VAR 'val tmp_0: kotlin.Int? [val] declared in test.inc' type=kotlin.Int? origin=null
   FUN name:get visibility:public modality:FINAL <> ($receiver:kotlin.Int?, index:kotlin.Int) returnType:kotlin.Int [operator]
     $receiver: VALUE_PARAMETER name:<this> type:kotlin.Int?
     VALUE_PARAMETER name:index index:0 type:kotlin.Int
@@ -74,7 +75,8 @@ FILE fqName:test fileName:/safeCallWithIncrementDecrement.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public final fun <get-p> (): kotlin.Int declared in test' type=kotlin.Int origin=GET_PROPERTY
-                $receiver: GET_VAR 'val tmp_2: test.C? [val] declared in test.testProperty' type=test.C? origin=null
+                $receiver: TYPE_OP type=test.C origin=IMPLICIT_CAST typeOperand=test.C
+                  GET_VAR 'val tmp_2: test.C? [val] declared in test.testProperty' type=test.C? origin=null
       TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
         BLOCK type=kotlin.Unit? origin=SAFE_CALL
           VAR IR_TEMPORARY_VARIABLE name:tmp_3 type:test.C? [val]
@@ -88,7 +90,8 @@ FILE fqName:test fileName:/safeCallWithIncrementDecrement.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public final fun <set-p> (value: kotlin.Int): kotlin.Unit declared in test' type=kotlin.Unit origin=EQ
-                $receiver: GET_VAR 'val tmp_3: test.C? [val] declared in test.testProperty' type=test.C? origin=null
+                $receiver: TYPE_OP type=test.C origin=IMPLICIT_CAST typeOperand=test.C
+                  GET_VAR 'val tmp_3: test.C? [val] declared in test.testProperty' type=test.C? origin=null
                 value: CALL 'public final fun inc (): kotlin.Int? [operator] declared in test' type=kotlin.Int? origin=null
                   $receiver: GET_VAR 'val tmp_1: kotlin.Int? [val] declared in test.testProperty' type=kotlin.Int? origin=null
       TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
@@ -109,7 +112,8 @@ FILE fqName:test fileName:/safeCallWithIncrementDecrement.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public final fun <get-p> (): kotlin.Int declared in test' type=kotlin.Int origin=GET_PROPERTY
-                $receiver: GET_VAR 'val tmp_5: test.C? [val] declared in test.testArrayAccess' type=test.C? origin=null
+                $receiver: TYPE_OP type=test.C origin=IMPLICIT_CAST typeOperand=test.C
+                  GET_VAR 'val tmp_5: test.C? [val] declared in test.testArrayAccess' type=test.C? origin=null
       VAR IR_TEMPORARY_VARIABLE name:tmp_6 type:kotlin.Int [val]
         CONST Int type=kotlin.Int value=0
       VAR IR_TEMPORARY_VARIABLE name:tmp_7 type:kotlin.Int [val]

compiler/testData/ir/irText/expressions/safeCalls.fir.kt.txt

@@ -24,7 +24,7 @@ fun test1(x: String?): Int? {
     val tmp0_safe_receiver: String? = x
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.<get-length>()
+      else -> tmp0_safe_receiver /*as String */.<get-length>()
     }
   }
 }
@@ -34,7 +34,7 @@ fun test2(x: String?): Int? {
     val tmp1_safe_receiver: String? = x
     when {
       EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null
-      else -> tmp1_safe_receiver.hashCode()
+      else -> tmp1_safe_receiver /*as String */.hashCode()
     }
   }
 }
@@ -44,7 +44,7 @@ fun test3(x: String?, y: Any?): Boolean? {
     val tmp2_safe_receiver: String? = x
     when {
       EQEQ(arg0 = tmp2_safe_receiver, arg1 = null) -> null
-      else -> tmp2_safe_receiver.equals(other = y)
+      else -> tmp2_safe_receiver /*as String */.equals(other = y)
     }
   }
 }
@@ -54,7 +54,7 @@ fun test4(x: Ref?) {
     val tmp3_safe_receiver: Ref? = x
     when {
       EQEQ(arg0 = tmp3_safe_receiver, arg1 = null) -> null
-      else -> tmp3_safe_receiver.<set-value>(<set-?> = 0)
+      else -> tmp3_safe_receiver /*as Ref */.<set-value>(<set-?> = 0)
     }
   } /*~> Unit */
 }
@@ -64,7 +64,7 @@ fun IHost.test5(s: String?): Int? {
     val tmp4_safe_receiver: String? = s
     when {
       EQEQ(arg0 = tmp4_safe_receiver, arg1 = null) -> null
-      else -> (<this>, tmp4_safe_receiver).extLength()
+      else -> (<this>, tmp4_safe_receiver /*as String */).extLength()
     }
   }
 }

compiler/testData/ir/irText/expressions/safeCalls.fir.txt

@@ -76,7 +76,8 @@ FILE fqName:<root> fileName:/safeCalls.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun <get-length> (): kotlin.Int declared in kotlin.String' type=kotlin.Int origin=GET_PROPERTY
-                $this: GET_VAR 'val tmp_0: kotlin.String? [val] declared in <root>.test1' type=kotlin.String? origin=null
+                $this: TYPE_OP type=kotlin.String origin=IMPLICIT_CAST typeOperand=kotlin.String
+                  GET_VAR 'val tmp_0: kotlin.String? [val] declared in <root>.test1' type=kotlin.String? origin=null
   FUN name:test2 visibility:public modality:FINAL <> (x:kotlin.String?) returnType:kotlin.Int?
     VALUE_PARAMETER name:x index:0 type:kotlin.String?
     BLOCK_BODY
@@ -93,7 +94,8 @@ FILE fqName:<root> fileName:/safeCalls.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun hashCode (): kotlin.Int [fake_override] declared in kotlin.String' type=kotlin.Int origin=null
-                $this: GET_VAR 'val tmp_1: kotlin.String? [val] declared in <root>.test2' type=kotlin.String? origin=null
+                $this: TYPE_OP type=kotlin.String origin=IMPLICIT_CAST typeOperand=kotlin.String
+                  GET_VAR 'val tmp_1: kotlin.String? [val] declared in <root>.test2' type=kotlin.String? origin=null
   FUN name:test3 visibility:public modality:FINAL <> (x:kotlin.String?, y:kotlin.Any?) returnType:kotlin.Boolean?
     VALUE_PARAMETER name:x index:0 type:kotlin.String?
     VALUE_PARAMETER name:y index:1 type:kotlin.Any?
@@ -111,7 +113,8 @@ FILE fqName:<root> fileName:/safeCalls.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun equals (other: kotlin.Any?): kotlin.Boolean [fake_override,operator] declared in kotlin.String' type=kotlin.Boolean origin=null
-                $this: GET_VAR 'val tmp_2: kotlin.String? [val] declared in <root>.test3' type=kotlin.String? origin=null
+                $this: TYPE_OP type=kotlin.String origin=IMPLICIT_CAST typeOperand=kotlin.String
+                  GET_VAR 'val tmp_2: kotlin.String? [val] declared in <root>.test3' type=kotlin.String? origin=null
                 other: GET_VAR 'y: kotlin.Any? declared in <root>.test3' type=kotlin.Any? origin=null
   FUN name:test4 visibility:public modality:FINAL <> (x:<root>.Ref?) returnType:kotlin.Unit
     VALUE_PARAMETER name:x index:0 type:<root>.Ref?
@@ -129,7 +132,8 @@ FILE fqName:<root> fileName:/safeCalls.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public final fun <set-value> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.Ref' type=kotlin.Unit origin=EQ
-                $this: GET_VAR 'val tmp_3: <root>.Ref? [val] declared in <root>.test4' type=<root>.Ref? origin=null
+                $this: TYPE_OP type=<root>.Ref origin=IMPLICIT_CAST typeOperand=<root>.Ref
+                  GET_VAR 'val tmp_3: <root>.Ref? [val] declared in <root>.test4' type=<root>.Ref? origin=null
                 <set-?>: CONST Int type=kotlin.Int value=0
   FUN name:test5 visibility:public modality:FINAL <> ($receiver:<root>.IHost, s:kotlin.String?) returnType:kotlin.Int?
     $receiver: VALUE_PARAMETER name:<this> type:<root>.IHost
@@ -149,7 +153,8 @@ FILE fqName:<root> fileName:/safeCalls.kt
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun extLength (): kotlin.Int declared in <root>.IHost' type=kotlin.Int origin=null
                 $this: GET_VAR '<this>: <root>.IHost declared in <root>.test5' type=<root>.IHost origin=null
-                $receiver: GET_VAR 'val tmp_4: kotlin.String? [val] declared in <root>.test5' type=kotlin.String? origin=null
+                $receiver: TYPE_OP type=kotlin.String origin=IMPLICIT_CAST typeOperand=kotlin.String
+                  GET_VAR 'val tmp_4: kotlin.String? [val] declared in <root>.test5' type=kotlin.String? origin=null
   FUN name:foo visibility:public modality:FINAL <> ($receiver:kotlin.Int) returnType:kotlin.Int
     $receiver: VALUE_PARAMETER name:<this> type:kotlin.Int
     BLOCK_BODY

compiler/testData/ir/irText/expressions/temporaryInEnumEntryInitializer.fir.kt.txt

@@ -17,7 +17,7 @@ open enum class En : Enum<En> {
     val tmp0_safe_receiver: Any? = <get-n>()
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.toString()
+      else -> tmp0_safe_receiver /*as Any */.toString()
     }
   })
 

compiler/testData/ir/irText/expressions/temporaryInEnumEntryInitializer.fir.txt

@@ -42,7 +42,8 @@ FILE fqName:<root> fileName:/temporaryInEnumEntryInitializer.kt
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
                 then: CALL 'public open fun toString (): kotlin.String declared in kotlin.Any' type=kotlin.String origin=null
-                  $this: GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.En' type=kotlin.Any? origin=null
+                  $this: TYPE_OP type=kotlin.Any origin=IMPLICIT_CAST typeOperand=kotlin.Any
+                    GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.En' type=kotlin.Any? origin=null
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:kotlin.Array<<root>.En>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER name:valueOf visibility:public modality:FINAL <> (value:kotlin.String) returnType:<root>.En

compiler/testData/ir/irText/expressions/temporaryInInitBlock.kt.txt

@@ -13,10 +13,9 @@ class C {
       val tmp0_safe_receiver: Any? = x
       when {
         EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-        else -> tmp0_safe_receiver.toString()
+        else -> tmp0_safe_receiver /*as Any */.toString()
       }
     }
   }
 
 }
-

compiler/testData/ir/irText/expressions/temporaryInInitBlock.txt

@@ -31,7 +31,8 @@ FILE fqName:<root> fileName:/temporaryInInitBlock.kt
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
                 then: CALL 'public open fun toString (): kotlin.String declared in kotlin.Any' type=kotlin.String origin=null
-                  $this: GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.C' type=kotlin.Any? origin=null
+                  $this: TYPE_OP type=kotlin.Any origin=IMPLICIT_CAST typeOperand=kotlin.Any
+                    GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.C' type=kotlin.Any? origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($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

compiler/testData/ir/irText/expressions/variableAsFunctionCall.fir.kt.txt

@@ -23,12 +23,12 @@ fun test4(ns: String?): String? {
       val tmp0_safe_receiver: String? = ns
       when {
         EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-        else -> tmp0_safe_receiver.k()
+        else -> tmp0_safe_receiver /*as String */.k()
       }
     }
     when {
       EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null
-      else -> tmp1_safe_receiver.invoke()
+      else -> tmp1_safe_receiver /*as Function0<String> */.invoke()
     }
   }
 }

compiler/testData/ir/irText/expressions/variableAsFunctionCall.fir.txt

@@ -45,7 +45,8 @@ FILE fqName:<root> fileName:/variableAsFunctionCall.kt
                 BRANCH
                   if: CONST Boolean type=kotlin.Boolean value=true
                   then: CALL 'public final fun k (): kotlin.Function0<kotlin.String> declared in <root>' type=kotlin.Function0<kotlin.String> origin=null
-                    $receiver: GET_VAR 'val tmp_1: kotlin.String? [val] declared in <root>.test4' type=kotlin.String? origin=null
+                    $receiver: TYPE_OP type=kotlin.String origin=IMPLICIT_CAST typeOperand=kotlin.String
+                      GET_VAR 'val tmp_1: kotlin.String? [val] declared in <root>.test4' type=kotlin.String? origin=null
           WHEN type=kotlin.String? origin=null
             BRANCH
               if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
@@ -55,4 +56,5 @@ FILE fqName:<root> fileName:/variableAsFunctionCall.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public abstract fun invoke (): R of kotlin.Function0 [operator] declared in kotlin.Function0' type=kotlin.String origin=INVOKE
-                $this: GET_VAR 'val tmp_0: kotlin.Function0<kotlin.String>? [val] declared in <root>.test4' type=kotlin.Function0<kotlin.String>? origin=null
+                $this: TYPE_OP type=kotlin.Function0<kotlin.String> origin=IMPLICIT_CAST typeOperand=kotlin.Function0<kotlin.String>
+                  GET_VAR 'val tmp_0: kotlin.Function0<kotlin.String>? [val] declared in <root>.test4' type=kotlin.Function0<kotlin.String>? origin=null

compiler/testData/ir/irText/firProblems/ImplicitReceiverStack.fir.kt.txt

@@ -79,7 +79,7 @@ fun box(): String {
     val tmp0_safe_receiver: ImplicitReceiverValue<*>? = stack.get(name = null)
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.<get-type>()
+      else -> tmp0_safe_receiver /*as ImplicitReceiverValue<*> */.<get-type>()
     }
   })
 }

compiler/testData/ir/irText/firProblems/ImplicitReceiverStack.fir.txt

@@ -249,4 +249,5 @@ FILE fqName:<root> fileName:/ImplicitReceiverStack.kt
               BRANCH
                 if: CONST Boolean type=kotlin.Boolean value=true
                 then: CALL 'public final fun <get-type> (): kotlin.String declared in <root>.ImplicitReceiverValue' type=kotlin.String origin=GET_PROPERTY
-                  $this: GET_VAR 'val tmp_0: <root>.ImplicitReceiverValue<*>? [val] declared in <root>.box' type=<root>.ImplicitReceiverValue<*>? origin=null
+                  $this: TYPE_OP type=<root>.ImplicitReceiverValue<*> origin=IMPLICIT_CAST typeOperand=<root>.ImplicitReceiverValue<*>
+                    GET_VAR 'val tmp_0: <root>.ImplicitReceiverValue<*>? [val] declared in <root>.box' type=<root>.ImplicitReceiverValue<*>? origin=null

compiler/testData/ir/irText/firProblems/JCTree.fir.kt.txt

@@ -13,7 +13,7 @@ class Owner<out T : JCTree> {
     get(): String {
       var tree: JCTree = <this>.<get-tree>()
       when {
-        tree /*as T */ is JCTypeApply -> return tree /*as JCTypeApply */.#clazz /*!! String */
+        tree /*as T */ is JCTypeApply -> return tree /*as T */ /*as JCTypeApply */.#clazz /*!! String */
       }
       return ""
     }

compiler/testData/ir/irText/firProblems/JCTree.fir.txt

@@ -35,7 +35,8 @@ FILE fqName:<root> fileName:/JCTreeUser.kt
                 TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
                   GET_FIELD 'FIELD IR_EXTERNAL_JAVA_DECLARATION_STUB name:clazz type:kotlin.String? visibility:public' type=kotlin.String? origin=GET_PROPERTY
                     receiver: TYPE_OP type=<root>.JCTree.JCTypeApply origin=IMPLICIT_CAST typeOperand=<root>.JCTree.JCTypeApply
-                      GET_VAR 'var tree: <root>.JCTree [var] declared in <root>.Owner.<get-foo>' type=<root>.JCTree origin=null
+                      TYPE_OP type=T of <root>.Owner origin=IMPLICIT_CAST typeOperand=T of <root>.Owner
+                        GET_VAR 'var tree: <root>.JCTree [var] declared in <root>.Owner.<get-foo>' type=<root>.JCTree origin=null
           RETURN type=kotlin.Nothing from='public final fun <get-foo> (): kotlin.String declared in <root>.Owner'
             CONST String type=kotlin.String value=""
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]

compiler/testData/ir/irText/firProblems/coercionToUnitForNestedWhen.fir.kt.txt

@@ -10,7 +10,7 @@ private fun Reader.nextChar(): Char? {
 )
     when {
       EQEQ(arg0 = tmp0_safe_receiver, arg1 = null) -> null
-      else -> tmp0_safe_receiver.toChar()
+      else -> tmp0_safe_receiver /*as Int */.toChar()
     }
   }
 }
@@ -26,7 +26,7 @@ fun Reader.consumeRestOfQuotedSequence(sb: StringBuilder, quote: Char) {
         val tmp1_safe_receiver: Char? = <this>.nextChar()
         when {
           EQEQ(arg0 = tmp1_safe_receiver, arg1 = null) -> null
-          else -> tmp1_safe_receiver.let<Char, StringBuilder?>(block = local fun <anonymous>(it: Char): StringBuilder? {
+          else -> tmp1_safe_receiver /*as Char */.let<Char, StringBuilder?>(block = local fun <anonymous>(it: Char): StringBuilder? {
             return sb.append(p0 = it)
           }
 )

compiler/testData/ir/irText/firProblems/coercionToUnitForNestedWhen.fir.txt

@@ -35,7 +35,8 @@ FILE fqName:<root> fileName:/coercionToUnitForNestedWhen.kt
             BRANCH
               if: CONST Boolean type=kotlin.Boolean value=true
               then: CALL 'public open fun toChar (): kotlin.Char declared in kotlin.Int' type=kotlin.Char origin=null
-                $this: GET_VAR 'val tmp_0: kotlin.Int? [val] declared in <root>.nextChar' type=kotlin.Int? origin=null
+                $this: TYPE_OP type=kotlin.Int origin=IMPLICIT_CAST typeOperand=kotlin.Int
+                  GET_VAR 'val tmp_0: kotlin.Int? [val] declared in <root>.nextChar' type=kotlin.Int? origin=null
   FUN name:consumeRestOfQuotedSequence visibility:public modality:FINAL <> ($receiver:java.io.Reader, sb:java.lang.StringBuilder, quote:kotlin.Char) returnType:kotlin.Unit
     $receiver: VALUE_PARAMETER name:<this> type:java.io.Reader
     VALUE_PARAMETER name:sb index:0 type:java.lang.StringBuilder
@@ -82,7 +83,8 @@ FILE fqName:<root> fileName:/coercionToUnitForNestedWhen.kt
                       then: CALL 'public final fun let <T, R> (block: kotlin.Function1<T of kotlin.StandardKt.let, R of kotlin.StandardKt.let>): R of kotlin.StandardKt.let [inline] declared in kotlin.StandardKt' type=java.lang.StringBuilder? origin=null
                         <T>: kotlin.Char
                         <R>: java.lang.StringBuilder?
-                        $receiver: GET_VAR 'val tmp_1: kotlin.Char? [val] declared in <root>.consumeRestOfQuotedSequence' type=kotlin.Char? origin=null
+                        $receiver: TYPE_OP type=kotlin.Char origin=IMPLICIT_CAST typeOperand=kotlin.Char
+                          GET_VAR 'val tmp_1: kotlin.Char? [val] declared in <root>.consumeRestOfQuotedSequence' type=kotlin.Char? origin=null
                         block: FUN_EXPR type=kotlin.Function1<kotlin.Char, java.lang.StringBuilder?> origin=LAMBDA
                           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (it:kotlin.Char) returnType:java.lang.StringBuilder?
                             VALUE_PARAMETER name:it index:0 type:kotlin.Char

compiler/testData/ir/irText/types/genericDelegatedDeepProperty.fir.kt.txt

@@ -108,7 +108,7 @@ val <T : Any?> Value<T, CR<T>>.additionalText: P<T, T> /* by */
           <no name provided>()
         }
         get(): T {
-          return <this>.#deepO$delegate.getValue(t = <this>, p = <no name provided>::deepO)
+          return <this> /*as <no name provided> */.#deepO$delegate.getValue(t = <this>, p = <no name provided>::deepO)
         }
 
       private val Value<T, CR<T>>.deepK: T /* by */
@@ -129,7 +129,7 @@ val <T : Any?> Value<T, CR<T>>.additionalText: P<T, T> /* by */
           <no name provided>()
         }
         get(): T {
-          return <this>.#deepK$delegate.getValue(t = <this>, p = <no name provided>::deepK)
+          return <this> /*as <no name provided> */.#deepK$delegate.getValue(t = <this>, p = <no name provided>::deepK)
         }
 
       override operator fun getValue(t: Value<T, CR<T>>, p: KProperty<*>): P<T, T> {

compiler/testData/ir/irText/types/genericDelegatedDeepProperty.fir.txt

@@ -279,7 +279,8 @@ FILE fqName:<root> fileName:/genericDelegatedDeepProperty.kt
                   RETURN type=kotlin.Nothing from='public final fun <get-deepO> (): T of <root>.<get-additionalText> declared in <root>.additionalText$delegate.<no name provided>'
                     CALL 'public final fun getValue (t: <root>.Value<T of <root>.<get-additionalText>, <root>.CR<T of <root>.<get-additionalText>>>, p: kotlin.reflect.KProperty<*>): T of <root>.<get-additionalText> [operator] declared in <root>.additionalText$delegate.<no name provided>.deepO$delegate.<no name provided>' type=T of <root>.<get-additionalText> origin=null
                       $this: GET_FIELD 'FIELD PROPERTY_DELEGATE name:deepO$delegate type:<root>.additionalText$delegate.<no name provided>.deepO$delegate.<no name provided><T of <root>.<get-additionalText>> visibility:private [final]' type=<root>.additionalText$delegate.<no name provided>.deepO$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
-                        receiver: GET_VAR '<this>: <root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> declared in <root>.additionalText$delegate.<no name provided>.<get-deepO>' type=<root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
+                        receiver: TYPE_OP type=<root>.additionalText$delegate.<no name provided> origin=IMPLICIT_CAST typeOperand=<root>.additionalText$delegate.<no name provided>
+                          GET_VAR '<this>: <root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> declared in <root>.additionalText$delegate.<no name provided>.<get-deepO>' type=<root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
                       t: GET_VAR '<this>: <root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> declared in <root>.additionalText$delegate.<no name provided>.<get-deepO>' type=<root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
                       p: PROPERTY_REFERENCE 'private final deepO: T of <root>.<get-additionalText> [delegated,val]' field=null getter='public final fun <get-deepO> (): T of <root>.<get-additionalText> declared in <root>.additionalText$delegate.<no name provided>' setter=null type=kotlin.reflect.KProperty2<<root>.Value<T of <root>.<get-additionalText>, <root>.CR<T of <root>.<get-additionalText>>>, *, T of <root>.<get-additionalText>> origin=PROPERTY_REFERENCE_FOR_DELEGATE
             PROPERTY name:deepK visibility:private modality:FINAL [delegated,val]
@@ -325,7 +326,8 @@ FILE fqName:<root> fileName:/genericDelegatedDeepProperty.kt
                   RETURN type=kotlin.Nothing from='public final fun <get-deepK> (): T of <root>.<get-additionalText> declared in <root>.additionalText$delegate.<no name provided>'
                     CALL 'public final fun getValue (t: <root>.Value<T of <root>.<get-additionalText>, <root>.CR<T of <root>.<get-additionalText>>>, p: kotlin.reflect.KProperty<*>): T of <root>.<get-additionalText> [operator] declared in <root>.additionalText$delegate.<no name provided>.deepK$delegate.<no name provided>' type=T of <root>.<get-additionalText> origin=null
                       $this: GET_FIELD 'FIELD PROPERTY_DELEGATE name:deepK$delegate type:<root>.additionalText$delegate.<no name provided>.deepK$delegate.<no name provided><T of <root>.<get-additionalText>> visibility:private [final]' type=<root>.additionalText$delegate.<no name provided>.deepK$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
-                        receiver: GET_VAR '<this>: <root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> declared in <root>.additionalText$delegate.<no name provided>.<get-deepK>' type=<root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
+                        receiver: TYPE_OP type=<root>.additionalText$delegate.<no name provided> origin=IMPLICIT_CAST typeOperand=<root>.additionalText$delegate.<no name provided>
+                          GET_VAR '<this>: <root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> declared in <root>.additionalText$delegate.<no name provided>.<get-deepK>' type=<root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
                       t: GET_VAR '<this>: <root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> declared in <root>.additionalText$delegate.<no name provided>.<get-deepK>' type=<root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>> origin=null
                       p: PROPERTY_REFERENCE 'private final deepK: T of <root>.<get-additionalText> [delegated,val]' field=null getter='public final fun <get-deepK> (): T of <root>.<get-additionalText> declared in <root>.additionalText$delegate.<no name provided>' setter=null type=kotlin.reflect.KProperty2<<root>.Value<T of <root>.<get-additionalText>, <root>.CR<T of <root>.<get-additionalText>>>, *, T of <root>.<get-additionalText>> origin=PROPERTY_REFERENCE_FOR_DELEGATE
             FUN name:getValue visibility:public modality:FINAL <> ($this:<root>.additionalText$delegate.<no name provided><T of <root>.<get-additionalText>>, t:<root>.Value<T of <root>.<get-additionalText>, <root>.CR<T of <root>.<get-additionalText>>>, p:kotlin.reflect.KProperty<*>) returnType:<root>.P<T of <root>.<get-additionalText>, T of <root>.<get-additionalText>> [operator]

compiler/testData/ir/irText/types/genericPropertyReferenceType.fir.kt.txt

@@ -17,7 +17,7 @@ var <T : Any?> C<T>.y: T
     return <this>.<get-x>()
   }
   set(v: T) {
-    <this>.<set-x>(<set-?> = v)
+    <this> /*as C<T> */.<set-x>(<set-?> = v)
   }
 
 fun use(p: KMutableProperty<String>) {

compiler/testData/ir/irText/types/genericPropertyReferenceType.fir.txt

@@ -55,7 +55,8 @@ FILE fqName:<root> fileName:/genericPropertyReferenceType.kt
       VALUE_PARAMETER name:v index:0 type:T of <root>.<get-y>
       BLOCK_BODY
         CALL 'public final fun <set-x> (<set-?>: T of <root>.C): kotlin.Unit declared in <root>.C' type=kotlin.Unit origin=EQ
-          $this: GET_VAR '<this>: <root>.C<T of <root>.<set-y>> declared in <root>.<set-y>' type=<root>.C<T of <root>.<set-y>> origin=null
+          $this: TYPE_OP type=<root>.C<T of <root>.<get-y>> origin=IMPLICIT_CAST typeOperand=<root>.C<T of <root>.<get-y>>
+            GET_VAR '<this>: <root>.C<T of <root>.<set-y>> declared in <root>.<set-y>' type=<root>.C<T of <root>.<set-y>> origin=null
           <set-?>: GET_VAR 'v: T of <root>.<get-y> declared in <root>.<set-y>' type=T of <root>.<get-y> origin=null
   FUN name:use visibility:public modality:FINAL <> (p:kotlin.reflect.KMutableProperty<kotlin.String>) returnType:kotlin.Unit
     VALUE_PARAMETER name:p index:0 type:kotlin.reflect.KMutableProperty<kotlin.String>

compiler/testData/ir/irText/types/localVariableOfIntersectionType_NI.fir.kt.txt

@@ -25,8 +25,8 @@ interface IB {
 
 fun test(a: In<IA>, b: In<IB>, z: Z) {
   z.create<IA>(x = a, y = b).<get-t>().foo()
-  z.create<IA>(x = a, y = b).<get-t>().bar()
+  z.create<IA>(x = a, y = b).<get-t>() /*as IB */.bar()
   val t: IA = z.create<IA>(x = a, y = b).<get-t>()
   t.foo()
-  t.bar()
+  t /*as IB */.bar()
 }

compiler/testData/ir/irText/types/localVariableOfIntersectionType_NI.fir.txt

@@ -102,12 +102,13 @@ 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 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=<root>.IA origin=GET_PROPERTY
+        $this: TYPE_OP type=<root>.IB origin=IMPLICIT_CAST typeOperand=<root>.IB
-          $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<<root>.IA> origin=null
+          CALL 'public abstract fun <get-t> (): T of <root>.Inv declared in <root>.Inv' type=<root>.IA origin=GET_PROPERTY
-            <T>: <root>.IA
+            $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<<root>.IA> origin=null
-            $this: GET_VAR 'z: <root>.Z declared in <root>.test' type=<root>.Z origin=null
+              <T>: <root>.IA
-            x: GET_VAR 'a: <root>.In<<root>.IA> declared in <root>.test' type=<root>.In<<root>.IA> origin=null
+              $this: GET_VAR 'z: <root>.Z declared in <root>.test' type=<root>.Z origin=null
-            y: GET_VAR 'b: <root>.In<<root>.IB> declared in <root>.test' type=<root>.In<<root>.IB> 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:<root>.IA [val]
         CALL 'public abstract fun <get-t> (): T of <root>.Inv declared in <root>.Inv' type=<root>.IA 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<<root>.IA> origin=null
@@ -118,4 +119,5 @@ FILE fqName:<root> fileName:/localVariableOfIntersectionType_NI.kt
       CALL 'public abstract fun foo (): kotlin.Unit declared in <root>.IA' type=kotlin.Unit origin=null
         $this: GET_VAR 'val t: <root>.IA [val] declared in <root>.test' type=<root>.IA origin=null
       CALL 'public abstract fun bar (): kotlin.Unit declared in <root>.IB' type=kotlin.Unit origin=null
-        $this: GET_VAR 'val t: <root>.IA [val] declared in <root>.test' type=<root>.IA origin=null
+        $this: TYPE_OP type=<root>.IB origin=IMPLICIT_CAST typeOperand=<root>.IB
+          GET_VAR 'val t: <root>.IA [val] declared in <root>.test' type=<root>.IA origin=null

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java

@@ -35094,6 +35094,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM, true);
         }
 
+        @Test
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @Test
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java

@@ -34894,6 +34894,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
         }
 
+        @Test
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @Test
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {

compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -28666,6 +28666,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM, true);
         }
 
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {
             runTest("compiler/testData/codegen/box/smartCasts/complexImplicitReceiver.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java

@@ -24792,6 +24792,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR_ES6, true);
         }
 
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {
             runTest("compiler/testData/codegen/box/smartCasts/complexImplicitReceiver.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java

@@ -24792,6 +24792,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR, true);
         }
 
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {
             runTest("compiler/testData/codegen/box/smartCasts/complexImplicitReceiver.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -24757,6 +24757,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS, true);
         }
 
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {
             runTest("compiler/testData/codegen/box/smartCasts/complexImplicitReceiver.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java

@@ -13261,6 +13261,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/smartCasts"), Pattern.compile("^([^_](.+))\\.kt$"), null, TargetBackend.WASM, true);
         }
 
+        @TestMetadata("complexExplicitReceiver.kt")
+        public void testComplexExplicitReceiver() throws Exception {
+            runTest("compiler/testData/codegen/box/smartCasts/complexExplicitReceiver.kt");
+        }
+
         @TestMetadata("complexImplicitReceiver.kt")
         public void testComplexImplicitReceiver() throws Exception {
             runTest("compiler/testData/codegen/box/smartCasts/complexImplicitReceiver.kt");