[NI] Resolve receiver of provideDelegate independently

#KT-38259 Fixed

compiler/fir/analysis-tests/tests/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestGenerated.java

@@ -6131,6 +6131,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateOperatorDeclaration.kt");
             }
 
+            @TestMetadata("provideDelegateResolutionWithStubTypes.kt")
+            public void testProvideDelegateResolutionWithStubTypes() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateResolutionWithStubTypes.kt");
+            }
+
             @TestMetadata("setValue.kt")
             public void testSetValue() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/setValue.kt");

compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java

@@ -9527,6 +9527,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/generic.kt");
             }
 
+            @TestMetadata("genericDelegateWithNoAdditionalInfo.kt")
+            public void testGenericDelegateWithNoAdditionalInfo() throws Exception {
+                runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/genericDelegateWithNoAdditionalInfo.kt");
+            }
+
             @TestMetadata("hostCheck.kt")
             public void testHostCheck() throws Exception {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/hostCheck.kt");

compiler/frontend/src/org/jetbrains/kotlin/resolve/DelegatedPropertyInferenceSession.kt

@@ -90,17 +90,9 @@ class DelegatedPropertyInferenceSession(
     override fun shouldCompleteResolvedSubAtomsOf(resolvedCallAtom: ResolvedCallAtom) = true
 }
 
-object InferenceSessionForExistingCandidates : InferenceSession {
+class InferenceSessionForExistingCandidates(private val resolveReceiverIndependently: Boolean) : InferenceSession {
     override fun shouldRunCompletion(candidate: KotlinResolutionCandidate): Boolean {
-        if (ErrorUtils.isError(candidate.resolvedCall.candidateDescriptor)) return false
-
-        val builder = candidate.getSystem().getBuilder()
-        for ((_, variable) in builder.currentStorage().notFixedTypeVariables) {
-            val hasProperConstraint = variable.constraints.any { candidate.getSystem().getBuilder().isProperType(it.type) }
-            if (hasProperConstraint) return true
-        }
-
-        return false
+        return !ErrorUtils.isError(candidate.resolvedCall.candidateDescriptor)
     }
 
     override fun addPartialCallInfo(callInfo: PartialCallInfo) {}
@@ -122,18 +114,7 @@ object InferenceSessionForExistingCandidates : InferenceSession {
 
     override fun computeCompletionMode(
         candidate: KotlinResolutionCandidate
-    ): KotlinConstraintSystemCompleter.ConstraintSystemCompletionMode? {
-        // this is a hack to mitigate questionable behavior in delegated properties design, namely:
-        // see test DelegatedProperty.ProvideDelegate#testHostAndReceiver2
+    ): KotlinConstraintSystemCompleter.ConstraintSystemCompletionMode? = null
 
-        // Normally, provideDelegate should be analyzed in INDEPENDENT mode, but now in OI there is one corner case, which
-        // doesn't fit into this design
-        val builder = candidate.getSystem().getBuilder()
-        for ((_, variable) in builder.currentStorage().notFixedTypeVariables) {
-            val hasProperConstraint = variable.constraints.any { candidate.getSystem().getBuilder().isProperType(it.type) }
-            if (hasProperConstraint) return null
-        }
-
-        return KotlinConstraintSystemCompleter.ConstraintSystemCompletionMode.PARTIAL
-    }
+    override fun resolveReceiverIndependently(): Boolean = resolveReceiverIndependently
 }

compiler/frontend/src/org/jetbrains/kotlin/resolve/DelegatedPropertyResolver.kt

@@ -26,7 +26,9 @@ import org.jetbrains.kotlin.resolve.calls.components.PostponedArgumentsAnalyzer
 import org.jetbrains.kotlin.resolve.calls.context.ContextDependency
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystem
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystemCompleter
+import org.jetbrains.kotlin.resolve.calls.inference.components.EmptySubstitutor
 import org.jetbrains.kotlin.resolve.calls.inference.components.KotlinConstraintSystemCompleter
+import org.jetbrains.kotlin.resolve.calls.inference.components.NewTypeSubstitutorByConstructorMap
 import org.jetbrains.kotlin.resolve.calls.inference.constraintPosition.ConstraintPositionKind.FROM_COMPLETER
 import org.jetbrains.kotlin.resolve.calls.inference.model.TypeVariableTypeConstructor
 import org.jetbrains.kotlin.resolve.calls.inference.toHandle
@@ -45,6 +47,7 @@ import org.jetbrains.kotlin.types.*
 import org.jetbrains.kotlin.types.TypeUtils.NO_EXPECTED_TYPE
 import org.jetbrains.kotlin.types.TypeUtils.noExpectedType
 import org.jetbrains.kotlin.types.checker.KotlinTypeChecker
+import org.jetbrains.kotlin.types.checker.NewTypeVariableConstructor
 import org.jetbrains.kotlin.types.expressions.ExpressionTypingContext
 import org.jetbrains.kotlin.types.expressions.ExpressionTypingServices
 import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils.createFakeExpressionOfType
@@ -549,20 +552,35 @@ class DelegatedPropertyResolver(
             delegateType = delegateTypeConstructor.getApproximatedType()
 
         if (languageVersionSettings.supportsFeature(LanguageFeature.OperatorProvideDelegate)) {
+            val traceForProvideDelegate = TemporaryBindingTrace.create(traceToResolveDelegatedProperty, "Trace to resolve provide delegate")
+
+            val substitutionMap: Map<UnwrappedType, UnwrappedType>? = buildSubstitutionMapOfNonFixedVariables(delegateType)
+            val nonFixedVariablesToStubTypesSubstitutor =
+                if (substitutionMap != null)
+                    NewTypeSubstitutorByConstructorMap(substitutionMap.mapKeys { it.key.constructor })
+                else
+                    EmptySubstitutor
+
+            val delegateTypeWithoutNonFixedVariables = nonFixedVariablesToStubTypesSubstitutor.safeSubstitute(delegateType.unwrap())
+
             val contextForProvideDelegate = createContextForProvideDelegateMethod(
-                scopeForDelegate, delegateDataFlow, traceToResolveDelegatedProperty, InferenceSessionForExistingCandidates
+                scopeForDelegate, delegateDataFlow, traceForProvideDelegate, InferenceSessionForExistingCandidates(substitutionMap != null)
             )
+
             val provideDelegateResults = getProvideDelegateMethod(
-                variableDescriptor, delegateExpression, delegateType, contextForProvideDelegate
+                variableDescriptor, delegateExpression, delegateTypeWithoutNonFixedVariables, contextForProvideDelegate
             )
 
             if (conventionMethodFound(provideDelegateResults)) {
                 val provideDelegateDescriptor = provideDelegateResults.resultingDescriptor
                 if (provideDelegateDescriptor.isOperator) {
-                    delegateType = provideDelegateDescriptor.returnType ?: return null
+                    delegateType = inverseSubstitution(provideDelegateDescriptor.returnType, substitutionMap) ?: return null
                     delegateDataFlow = provideDelegateResults.resultingCall.dataFlowInfoForArguments.resultInfo
                 }
-                trace.record(PROVIDE_DELEGATE_RESOLVED_CALL, variableDescriptor, provideDelegateResults.resultingCall)
+                if (substitutionMap == null) {
+                    traceForProvideDelegate.record(PROVIDE_DELEGATE_RESOLVED_CALL, variableDescriptor, provideDelegateResults.resultingCall)
+                    traceForProvideDelegate.commit() // otherwise we have to reanalyze provideDelegate with good delegate type
+                }
             }
         }
         return inferDelegateTypeFromGetSetValueMethods(
@@ -570,6 +588,38 @@ class DelegatedPropertyResolver(
         )
     }
 
+    private fun inverseSubstitution(type: KotlinType?, substitutionMap: Map<UnwrappedType, UnwrappedType>?): UnwrappedType? {
+        if (type == null) return null
+        if (substitutionMap == null) return type.unwrap()
+
+        val invertedMap = hashMapOf<TypeConstructor, UnwrappedType>()
+        for ((variable, stubType) in substitutionMap) {
+            invertedMap[stubType.constructor] = variable
+        }
+
+        return NewTypeSubstitutorByConstructorMap(invertedMap).safeSubstitute(type.unwrap())
+    }
+
+    private fun buildSubstitutionMapOfNonFixedVariables(type: KotlinType): Map<UnwrappedType, UnwrappedType>? {
+        // This is an exception for delegated properties that return just type variable
+        if (type.constructor is NewTypeVariableConstructor) return null
+
+        var substitutionMap: MutableMap<UnwrappedType, UnwrappedType>? = null
+        type.contains { innerType ->
+            val constructor = innerType.constructor
+            if (constructor is NewTypeVariableConstructor) {
+                if (substitutionMap == null) substitutionMap = hashMapOf()
+                if (innerType !in substitutionMap!!) {
+                    substitutionMap!![innerType] = StubTypeForProvideDelegateReceiver(constructor, innerType.isMarkedNullable)
+                }
+            }
+
+            false
+        }
+
+        return substitutionMap
+    }
+
     private fun inferDelegateTypeFromGetSetValueMethods(
         delegateExpression: KtExpression,
         variableDescriptor: VariableDescriptorWithAccessors,

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/tower/ManyCandidatesResolver.kt

@@ -159,6 +159,8 @@ abstract class ManyCandidatesResolver<D : CallableDescriptor>(
 
     override fun computeCompletionMode(candidate: KotlinResolutionCandidate) = null
 
+    override fun resolveReceiverIndependently(): Boolean = false
+
     private fun PartialCallInfo.asCallResolutionResult(
         diagnosticsHolder: KotlinDiagnosticsHolder.SimpleHolder,
         commonSystem: NewConstraintSystem

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/InferenceSession.kt

@@ -31,6 +31,8 @@ interface InferenceSession {
             override fun computeCompletionMode(
                 candidate: KotlinResolutionCandidate
             ): KotlinConstraintSystemCompleter.ConstraintSystemCompletionMode? = null
+
+            override fun resolveReceiverIndependently(): Boolean = false
         }
     }
 
@@ -49,6 +51,7 @@ interface InferenceSession {
     fun callCompleted(resolvedAtom: ResolvedAtom): Boolean
     fun shouldCompleteResolvedSubAtomsOf(resolvedCallAtom: ResolvedCallAtom): Boolean
     fun computeCompletionMode(candidate: KotlinResolutionCandidate): KotlinConstraintSystemCompleter.ConstraintSystemCompletionMode?
+    fun resolveReceiverIndependently(): Boolean
 }
 
 interface PartialCallInfo {

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/PostponeArgumentsChecks.kt

@@ -36,9 +36,10 @@ fun resolveKtPrimitive(
     diagnosticsHolder: KotlinDiagnosticsHolder,
     receiverInfo: ReceiverInfo,
     convertedType: UnwrappedType?,
+    inferenceSession: InferenceSession?
 ): ResolvedAtom = when (argument) {
     is SimpleKotlinCallArgument ->
-        checkSimpleArgument(csBuilder, argument, expectedType, diagnosticsHolder, receiverInfo, convertedType)
+        checkSimpleArgument(csBuilder, argument, expectedType, diagnosticsHolder, receiverInfo, convertedType, inferenceSession)
 
     is LambdaKotlinCallArgument ->
         preprocessLambdaArgument(csBuilder, argument, expectedType, diagnosticsHolder)

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/PostponedArgumentsAnalyzer.kt

@@ -149,7 +149,9 @@ class PostponedArgumentsAnalyzer(
 
         val subResolvedKtPrimitives = allReturnArguments.map {
             resolveKtPrimitive(
-                c.getBuilder(), it, lambda.returnType.let(::substitute), diagnosticHolder, ReceiverInfo.notReceiver, convertedType = null
+                c.getBuilder(), it, lambda.returnType.let(::substitute),
+                diagnosticHolder, ReceiverInfo.notReceiver, convertedType = null,
+                inferenceSession
             )
         }
 

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/ResolutionParts.kt

@@ -439,6 +439,7 @@ private fun KotlinResolutionCandidate.resolveKotlinArgument(
     } else null
 
 
+    val inferenceSession = resolutionCallbacks.inferenceSession
     if (candidateExpectedType == null || // Nothing to convert
         convertedExpectedType != null || // Type is already converted
         isReceiver || // Receivers don't participate in conversions
@@ -452,7 +453,8 @@ private fun KotlinResolutionCandidate.resolveKotlinArgument(
             expectedType,
             this,
             receiverInfo,
-            convertedArgument?.unknownIntegerType?.unwrap()
+            convertedArgument?.unknownIntegerType?.unwrap(),
+            inferenceSession
         )
 
         addResolvedKtPrimitive(resolvedAtom)
@@ -465,7 +467,8 @@ private fun KotlinResolutionCandidate.resolveKotlinArgument(
                 expectedType,
                 this@resolveKotlinArgument,
                 receiverInfo,
-                convertedArgument?.unknownIntegerType?.unwrap()
+                convertedArgument?.unknownIntegerType?.unwrap(),
+                inferenceSession
             )
 
             if (!hasContradiction) {
@@ -496,7 +499,8 @@ private fun KotlinResolutionCandidate.resolveKotlinArgument(
                 convertedTypeAfterSubtyping,
                 this@resolveKotlinArgument,
                 receiverInfo,
-                convertedArgument?.unknownIntegerType?.unwrap()
+                convertedArgument?.unknownIntegerType?.unwrap(),
+                inferenceSession
             )
             addResolvedKtPrimitive(resolvedAtom)
         }

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/SimpleArgumentsChecks.kt

@@ -51,10 +51,11 @@ fun checkSimpleArgument(
     expectedType: UnwrappedType?,
     diagnosticsHolder: KotlinDiagnosticsHolder,
     receiverInfo: ReceiverInfo,
-    convertedType: UnwrappedType?
+    convertedType: UnwrappedType?,
+    inferenceSession: InferenceSession?
 ): ResolvedAtom = when (argument) {
     is ExpressionKotlinCallArgument -> checkExpressionArgument(csBuilder, argument, expectedType, diagnosticsHolder, receiverInfo.isReceiver, convertedType)
-    is SubKotlinCallArgument -> checkSubCallArgument(csBuilder, argument, expectedType, diagnosticsHolder, receiverInfo)
+    is SubKotlinCallArgument -> checkSubCallArgument(csBuilder, argument, expectedType, diagnosticsHolder, receiverInfo, inferenceSession)
     else -> unexpectedArgument(argument)
 }
 
@@ -178,8 +179,11 @@ private fun checkSubCallArgument(
     expectedType: UnwrappedType?,
     diagnosticsHolder: KotlinDiagnosticsHolder,
     receiverInfo: ReceiverInfo,
+    inferenceSession: InferenceSession?
 ): ResolvedAtom {
-    val subCallResult = ResolvedSubCallArgument(subCallArgument)
+    val subCallResult = ResolvedSubCallArgument(
+        subCallArgument, receiverInfo.isReceiver && inferenceSession?.resolveReceiverIndependently() == true
+    )
 
     if (expectedType == null) return subCallResult
 

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/model/KotlinResolverContext.kt

@@ -65,8 +65,10 @@ class SimpleCandidateFactory(
 
     init {
         val baseSystem = NewConstraintSystemImpl(callComponents.constraintInjector, callComponents.builtIns)
-        baseSystem.addSubsystemFromArgument(kotlinCall.explicitReceiver)
-        baseSystem.addSubsystemFromArgument(kotlinCall.dispatchReceiverForInvokeExtension)
+        if (!inferenceSession.resolveReceiverIndependently()) {
+            baseSystem.addSubsystemFromArgument(kotlinCall.explicitReceiver)
+            baseSystem.addSubsystemFromArgument(kotlinCall.dispatchReceiverForInvokeExtension)
+        }
         for (argument in kotlinCall.argumentsInParenthesis) {
             baseSystem.addSubsystemFromArgument(argument)
         }

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/model/ResolutionAtoms.kt

@@ -83,9 +83,12 @@ class ResolvedExpressionAtom(override val atom: ExpressionKotlinCallArgument) :
     }
 }
 
-class ResolvedSubCallArgument(override val atom: SubKotlinCallArgument) : ResolvedAtom() {
+class ResolvedSubCallArgument(override val atom: SubKotlinCallArgument, resolveIndependently: Boolean) : ResolvedAtom() {
     init {
-        setAnalyzedResults(listOf(atom.callResult))
+        if (resolveIndependently)
+            setAnalyzedResults(listOf())
+        else
+            setAnalyzedResults(listOf(atom.callResult))
     }
 }
 

compiler/testData/codegen/box/delegatedProperty/provideDelegate/genericDelegateWithNoAdditionalInfo.kt

@@ -0,0 +1,18 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_RUNTIME
+
+import kotlin.reflect.KProperty
+
+interface DelegateProvider<out T> {
+    operator fun provideDelegate(receiver: Any?, prop: kotlin.reflect.KProperty<*>): Lazy<T>
+}
+fun <Value : Any> delegate(): DelegateProvider<Value> = object : DelegateProvider<Value> {
+    override fun provideDelegate(receiver: Any?, prop: KProperty<*>): Lazy<Value> {
+        return lazy { "OK" } as Lazy<Value>
+    }
+}
+
+fun box(): String {
+    val value: String by delegate()
+    return value
+}

compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/commonCaseForInference.kt

@@ -9,6 +9,6 @@ object CommonCase {
     operator fun <D, E, R> Fas<D, E, R>.provideDelegate(host: D, p: Any?): Fas<D, E, R> = TODO()
     operator fun <D, E, R> Fas<D, E, R>.getValue(receiver: E, p: Any?): R = TODO()
 
-    val Long.test1: String by <!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER, OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>delegate<!>() // common test, not working because of Inference1
+    val Long.test1: String by <!NI;DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE!><!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER, OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>delegate<!>()<!> // common test, not working because of Inference1
     val Long.test2: String by delegate<CommonCase, Long, String>() // should work
 }

compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/inferenceFromReceiver2.kt

@@ -9,6 +9,6 @@ object Inference2 {
     operator fun <T> Foo<T>.provideDelegate(host: T, p: Any?): Foo<T> = TODO()
     operator fun <T> Foo<T>.getValue(receiver: Inference2, p: Any?): String = TODO()
 
-    val test1: String by <!OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>delegate<!>() // same story like in Inference1
+    val test1: String by <!NI;DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE!><!NI;NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER, OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>delegate<!>()<!> // same story like in Inference1
     val test2: String by delegate<Inference2>()
 }

compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateResolutionWithStubTypes.kt

@@ -0,0 +1,11 @@
+// FIR_IDENTICAL
+
+val test: String by materializeDelegate()
+
+fun <T> materializeDelegate(): Delegate<T> = Delegate()
+
+operator fun <K> K.provideDelegate(receiver: Any?, property: kotlin.reflect.KProperty<*>): K = this
+
+class Delegate<V> {
+    operator fun getValue(thisRef: Any?, property: kotlin.reflect.KProperty<*>): V = TODO()
+}

compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateResolutionWithStubTypes.txt

@@ -0,0 +1,13 @@
+package
+
+public val test: kotlin.String
+public fun </*0*/ T> materializeDelegate(): Delegate<T>
+public operator fun </*0*/ K> K.provideDelegate(/*0*/ receiver: kotlin.Any?, /*1*/ property: kotlin.reflect.KProperty<*>): K
+
+public final class Delegate</*0*/ V> {
+    public constructor Delegate</*0*/ V>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final operator fun getValue(/*0*/ thisRef: kotlin.Any?, /*1*/ property: kotlin.reflect.KProperty<*>): V
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java

@@ -6138,6 +6138,11 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTestWithFirVali
                     runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateOperatorDeclaration.kt");
                 }
 
+                @TestMetadata("provideDelegateResolutionWithStubTypes.kt")
+                public void testProvideDelegateResolutionWithStubTypes() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateResolutionWithStubTypes.kt");
+                }
+
                 @TestMetadata("setValue.kt")
                 public void testSetValue() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/setValue.kt");

compiler/tests/org/jetbrains/kotlin/checkers/javac/DiagnosticsUsingJavacTestGenerated.java

@@ -6133,6 +6133,11 @@ public class DiagnosticsUsingJavacTestGenerated extends AbstractDiagnosticsUsing
                     runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateOperatorDeclaration.kt");
                 }
 
+                @TestMetadata("provideDelegateResolutionWithStubTypes.kt")
+                public void testProvideDelegateResolutionWithStubTypes() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/provideDelegateResolutionWithStubTypes.kt");
+                }
+
                 @TestMetadata("setValue.kt")
                 public void testSetValue() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/setValue.kt");

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -10742,6 +10742,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/generic.kt");
             }
 
+            @TestMetadata("genericDelegateWithNoAdditionalInfo.kt")
+            public void testGenericDelegateWithNoAdditionalInfo() throws Exception {
+                runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/genericDelegateWithNoAdditionalInfo.kt");
+            }
+
             @TestMetadata("hostCheck.kt")
             public void testHostCheck() throws Exception {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/hostCheck.kt");

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

@@ -10742,6 +10742,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/generic.kt");
             }
 
+            @TestMetadata("genericDelegateWithNoAdditionalInfo.kt")
+            public void testGenericDelegateWithNoAdditionalInfo() throws Exception {
+                runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/genericDelegateWithNoAdditionalInfo.kt");
+            }
+
             @TestMetadata("hostCheck.kt")
             public void testHostCheck() throws Exception {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/hostCheck.kt");

compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -9527,6 +9527,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/generic.kt");
             }
 
+            @TestMetadata("genericDelegateWithNoAdditionalInfo.kt")
+            public void testGenericDelegateWithNoAdditionalInfo() throws Exception {
+                runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/genericDelegateWithNoAdditionalInfo.kt");
+            }
+
             @TestMetadata("hostCheck.kt")
             public void testHostCheck() throws Exception {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/hostCheck.kt");

core/descriptors/src/org/jetbrains/kotlin/types/StubType.kt

@@ -13,14 +13,34 @@ import org.jetbrains.kotlin.types.refinement.TypeRefinement
 
 // This type is used as a stub for postponed type variables, which are important for coroutine inference
 class StubType(
-    private val originalTypeVariable: TypeConstructor,
-    override val isMarkedNullable: Boolean,
-    override val constructor: TypeConstructor =
-        ErrorUtils.createErrorTypeConstructor("Constructor for non fixed type: $originalTypeVariable"),
-    override val memberScope: MemberScope =
-        ErrorUtils.createErrorScope("Scope for non fixed type: $originalTypeVariable")
-) : SimpleType(), StubTypeMarker {
+    originalTypeVariable: TypeConstructor,
+    isMarkedNullable: Boolean,
+    constructor: TypeConstructor = ErrorUtils.createErrorTypeConstructor("Constructor for non fixed type: $originalTypeVariable"),
+    memberScope: MemberScope = ErrorUtils.createErrorScope("Scope for non fixed type: $originalTypeVariable")
+) : AbstractStubType(originalTypeVariable, isMarkedNullable, constructor, memberScope), StubTypeMarker {
+    override fun materialize(newNullability: Boolean): AbstractStubType {
+        return StubType(originalTypeVariable, newNullability, constructor, memberScope)
+    }
+}
 
+// This type is used as a replacement of type variables for provideDelegate resolve
+class StubTypeForProvideDelegateReceiver(
+    originalTypeVariable: TypeConstructor,
+    isMarkedNullable: Boolean,
+    constructor: TypeConstructor = ErrorUtils.createErrorTypeConstructor("Constructor for non fixed type: $originalTypeVariable"),
+    memberScope: MemberScope = ErrorUtils.createErrorScope("Scope for non fixed type: $originalTypeVariable")
+) : AbstractStubType(originalTypeVariable, isMarkedNullable, constructor, memberScope) {
+    override fun materialize(newNullability: Boolean): StubTypeForProvideDelegateReceiver {
+        return StubTypeForProvideDelegateReceiver(originalTypeVariable, newNullability, constructor, memberScope)
+    }
+}
+
+abstract class AbstractStubType(
+    protected val originalTypeVariable: TypeConstructor,
+    override val isMarkedNullable: Boolean,
+    override val constructor: TypeConstructor,
+    override val memberScope: MemberScope
+) : SimpleType() {
     override val arguments: List<TypeProjection>
         get() = emptyList()
 
@@ -30,10 +50,7 @@ class StubType(
     override fun replaceAnnotations(newAnnotations: Annotations): SimpleType = this
 
     override fun makeNullableAsSpecified(newNullability: Boolean): SimpleType {
-        return if (newNullability == isMarkedNullable)
-            this
-        else
-            StubType(originalTypeVariable, newNullability, constructor, memberScope)
+        return if (newNullability == isMarkedNullable) this else materialize(newNullability)
     }
 
     override fun toString(): String {
@@ -42,4 +59,6 @@ class StubType(
 
     @TypeRefinement
     override fun refine(kotlinTypeRefiner: KotlinTypeRefiner) = this
-}
+
+    abstract fun materialize(newNullability: Boolean): AbstractStubType
+}

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

@@ -8182,6 +8182,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/generic.kt");
             }
 
+            @TestMetadata("genericDelegateWithNoAdditionalInfo.kt")
+            public void testGenericDelegateWithNoAdditionalInfo() throws Exception {
+                runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/genericDelegateWithNoAdditionalInfo.kt");
+            }
+
             @TestMetadata("hostCheck.kt")
             public void testHostCheck() throws Exception {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/hostCheck.kt");

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

@@ -8182,6 +8182,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/generic.kt");
             }
 
+            @TestMetadata("genericDelegateWithNoAdditionalInfo.kt")
+            public void testGenericDelegateWithNoAdditionalInfo() throws Exception {
+                runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/genericDelegateWithNoAdditionalInfo.kt");
+            }
+
             @TestMetadata("hostCheck.kt")
             public void testHostCheck() throws Exception {
                 runTest("compiler/testData/codegen/box/delegatedProperty/provideDelegate/hostCheck.kt");