[NI] Align builder inference with the old inference

#KT-29184 Fixed

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/Errors.java

@@ -55,6 +55,7 @@ public interface Errors {
 
     DiagnosticFactory1<PsiElement, String> NEW_INFERENCE_ERROR = DiagnosticFactory1.create(ERROR);
     DiagnosticFactory1<PsiElement, String> NEW_INFERENCE_DIAGNOSTIC = DiagnosticFactory1.create(WARNING);
+    DiagnosticFactory0<KtElement> NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE = DiagnosticFactory0.create(WARNING);
 
     DiagnosticFactory1<PsiElement, Pair<LanguageFeature, LanguageVersionSettings>> UNSUPPORTED_FEATURE = DiagnosticFactory1.create(ERROR);
     DiagnosticFactory1<PsiElement, Throwable> EXCEPTION_FROM_ANALYZER = DiagnosticFactory1.create(ERROR);

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java

@@ -633,6 +633,7 @@ public class DefaultErrorMessages {
         MAP.put(UNSUPPORTED, "Unsupported [{0}]", STRING);
         MAP.put(NEW_INFERENCE_ERROR, "New inference error [{0}]", STRING);
         MAP.put(NEW_INFERENCE_DIAGNOSTIC, "New inference [{0}]", STRING);
+        MAP.put(NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE, "Non-applicable call for builder inference");
 
         MAP.put(UNSUPPORTED_FEATURE, "{0}", new LanguageFeatureMessageRenderer(LanguageFeatureMessageRenderer.Type.UNSUPPORTED));
         MAP.put(EXPERIMENTAL_FEATURE_WARNING, "{0}", new LanguageFeatureMessageRenderer(LanguageFeatureMessageRenderer.Type.WARNING));

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/DiagnosticReporterByTrackingStrategy.kt

@@ -10,6 +10,7 @@ import org.jetbrains.kotlin.diagnostics.Errors
 import org.jetbrains.kotlin.diagnostics.Errors.*
 import org.jetbrains.kotlin.diagnostics.Errors.BadNamedArgumentsTarget.INVOKE_ON_FUNCTION_TYPE
 import org.jetbrains.kotlin.diagnostics.Errors.BadNamedArgumentsTarget.NON_KOTLIN_FUNCTION
+import org.jetbrains.kotlin.diagnostics.reportDiagnosticOnce
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
@@ -49,6 +50,10 @@ class DiagnosticReporterByTrackingStrategy(
             )
             InstantiationOfAbstractClass::class.java -> tracingStrategy.instantiationOfAbstractClass(trace)
             AbstractSuperCall::class.java -> tracingStrategy.abstractSuperCall(trace)
+            NonApplicableCallForBuilderInferenceDiagnostic::class.java -> {
+                val reportOn = (diagnostic as NonApplicableCallForBuilderInferenceDiagnostic).kotlinCall
+                trace.reportDiagnosticOnce(Errors.NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE.on(reportOn.psiKotlinCall.psiCall.callElement))
+            }
         }
     }
 

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/inference/CoroutineInferenceSession.kt

@@ -7,7 +7,6 @@ package org.jetbrains.kotlin.resolve.calls.inference
 
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.descriptors.CallableDescriptor
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.resolve.BindingTrace
 import org.jetbrains.kotlin.resolve.TemporaryBindingTrace
@@ -22,9 +21,7 @@ import org.jetbrains.kotlin.resolve.calls.inference.model.ConstraintKind
 import org.jetbrains.kotlin.resolve.calls.inference.model.ConstraintStorage
 import org.jetbrains.kotlin.resolve.calls.inference.model.NewConstraintSystemImpl
 import org.jetbrains.kotlin.resolve.calls.inference.model.NewTypeVariable
-import org.jetbrains.kotlin.resolve.calls.model.KotlinCallComponents
+import org.jetbrains.kotlin.resolve.calls.model.*
-import org.jetbrains.kotlin.resolve.calls.model.KotlinResolutionCandidate
-import org.jetbrains.kotlin.resolve.calls.model.ResolvedLambdaAtom
 import org.jetbrains.kotlin.resolve.calls.tower.*
 import org.jetbrains.kotlin.resolve.deprecation.DeprecationResolver
 import org.jetbrains.kotlin.types.StubType
@@ -51,19 +48,25 @@ class CoroutineInferenceSession(
 ) : ManyCandidatesResolver<CallableDescriptor>(
     psiCallResolver, postponedArgumentsAnalyzer, kotlinConstraintSystemCompleter, callComponents, builtIns
 ) {
-    private val suspendCompletedCalls = arrayListOf<PSICompletedCallInfo>()
+    private val commonCalls = arrayListOf<PSICompletedCallInfo>()
-    private val normalCompletedCalls = arrayListOf<PSICompletedCallInfo>()
+    private val diagnostics = arrayListOf<KotlinCallDiagnostic>()
 
     override fun shouldRunCompletion(candidate: KotlinResolutionCandidate): Boolean = true
 
     override fun addCompletedCallInfo(callInfo: CompletedCallInfo) {
         require(callInfo is PSICompletedCallInfo) { "Wrong instance of callInfo: $callInfo" }
 
-        val candidateDescriptor = callInfo.callResolutionResult.resultCallAtom.candidateDescriptor
+        commonCalls.add(callInfo)
-        if (candidateDescriptor is FunctionDescriptor && candidateDescriptor.isSuspend)
+
-            suspendCompletedCalls.add(callInfo)
+        val isApplicableCall =
-        else
+            callComponents.statelessCallbacks.isApplicableCallForBuilderInference(
-            normalCompletedCalls.add(callInfo)
+                callInfo.resolvedCall.resultingDescriptor,
+                callComponents.languageVersionSettings
+            )
+
+        if (!isApplicableCall) {
+            diagnostics.add(NonApplicableCallForBuilderInferenceDiagnostic(callInfo.callResolutionResult.resultCallAtom.atom))
+        }
     }
 
     override fun writeOnlyStubs(): Boolean {
@@ -140,8 +143,11 @@ class CoroutineInferenceSession(
 
         integrateConstraints(commonSystem, initialStorage, nonFixedToVariablesSubstitutor)
 
-        for (suspendCall in suspendCompletedCalls) {
+        for (call in commonCalls) {
-            integrateConstraints(commonSystem, suspendCall.callResolutionResult.constraintSystem, nonFixedToVariablesSubstitutor)
+            integrateConstraints(commonSystem, call.callResolutionResult.constraintSystem, nonFixedToVariablesSubstitutor)
+        }
+        for (diagnostic in diagnostics) {
+            commonSystem.addError(diagnostic)
         }
 
         return commonSystem
@@ -155,7 +161,7 @@ class CoroutineInferenceSession(
 
         val nonFixedTypesToResultSubstitutor = ComposedSubstitutor(commonSystemSubstitutor, nonFixedToVariablesSubstitutor)
 
-        for (completedCall in suspendCompletedCalls + normalCompletedCalls) {
+        for (completedCall in commonCalls) {
             val resultCallAtom = completedCall.callResolutionResult.resultCallAtom
             val call = resultCallAtom.atom.getResolvedPsiKotlinCall<CallableDescriptor>(trace) ?: continue
 

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/inference/CoroutineInferenceUtil.kt

@@ -221,7 +221,7 @@ class CoroutineInferenceSupport(
         if (!resultingCall.isReallySuccess()) return
 
         val resultingDescriptor = resultingCall.resultingDescriptor
-        if (!isGoodCall(resultingDescriptor)) {
+        if (!isApplicableCallForBuilderInference(resultingDescriptor, languageVersionSettings)) {
             inferenceData.badCallHappened()
         }
 
@@ -250,32 +250,6 @@ class CoroutineInferenceSupport(
         }
     }
 
-    private fun KotlinType.containsTypeTemplate() = contains { it is TypeTemplate }
-
-    private fun isGoodCall(resultingDescriptor: CallableDescriptor): Boolean {
-        if (!languageVersionSettings.supportsFeature(LanguageFeature.ExperimentalBuilderInference)) {
-            return isGoodCallForOldCoroutines(resultingDescriptor)
-        }
-
-        if (resultingDescriptor.isExtension && !resultingDescriptor.hasBuilderInferenceAnnotation()) {
-            return resultingDescriptor.extensionReceiverParameter?.type?.containsTypeTemplate() == false
-        }
-
-        val returnType = resultingDescriptor.returnType ?: return false
-        return !returnType.containsTypeTemplate()
-    }
-
-    private fun isGoodCallForOldCoroutines(resultingDescriptor: CallableDescriptor): Boolean {
-        val returnType = resultingDescriptor.returnType ?: return false
-        if (returnType.containsTypeTemplate()) return false
-
-        if (resultingDescriptor !is FunctionDescriptor || resultingDescriptor.isSuspend) return true
-
-        if (resultingDescriptor.valueParameters.any { it.type.containsTypeTemplate() }) return false
-
-        return true
-    }
-
     private class CoroutineTypeCheckerContext(
         private val allowOnlyTrivialConstraints: Boolean
     ) : ClassicTypeCheckerContext(errorTypeEqualsToAnything = true) {
@@ -320,6 +294,32 @@ class CoroutineInferenceSupport(
     }
 }
 
+private fun KotlinType.containsTypeTemplate() = contains { it is TypeTemplate || it is StubType }
+
+fun isApplicableCallForBuilderInference(descriptor: CallableDescriptor, languageVersionSettings: LanguageVersionSettings): Boolean {
+    if (!languageVersionSettings.supportsFeature(LanguageFeature.ExperimentalBuilderInference)) {
+        return isGoodCallForOldCoroutines(descriptor)
+    }
+
+    if (descriptor.isExtension && !descriptor.hasBuilderInferenceAnnotation()) {
+        return descriptor.extensionReceiverParameter?.type?.containsTypeTemplate() == false
+    }
+
+    val returnType = descriptor.returnType ?: return false
+    return !returnType.containsTypeTemplate()
+}
+
+private fun isGoodCallForOldCoroutines(resultingDescriptor: CallableDescriptor): Boolean {
+    val returnType = resultingDescriptor.returnType ?: return false
+    if (returnType.containsTypeTemplate()) return false
+
+    if (resultingDescriptor !is FunctionDescriptor || resultingDescriptor.isSuspend) return true
+
+    if (resultingDescriptor.valueParameters.any { it.type.containsTypeTemplate() }) return false
+
+    return true
+}
+
 fun isCoroutineCallWithAdditionalInference(
     parameterDescriptor: ValueParameterDescriptor,
     argument: ValueArgument,

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

@@ -205,7 +205,7 @@ class KotlinResolutionCallbacksImpl(
     }
 
     override fun bindStubResolvedCallForCandidate(candidate: ResolvedCallAtom) {
-        kotlinToResolvedCallTransformer.createStubResolvedCallAndWriteItToTrace<CallableDescriptor>(candidate, trace, emptyList())
+        kotlinToResolvedCallTransformer.createStubResolvedCallAndWriteItToTrace(candidate, trace, emptyList(), substitutor = null)
     }
 
     override fun createReceiverWithSmartCastInfo(resolvedAtom: ResolvedCallAtom): ReceiverValueWithSmartCastInfo? {

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

@@ -73,4 +73,11 @@ class KotlinResolutionStatelessCallbacksImpl(
 
     override fun isCoroutineCall(argument: KotlinCallArgument, parameter: ValueParameterDescriptor): Boolean =
         isCoroutineCallWithAdditionalInference(parameter, argument.psiCallArgument.valueArgument, languageVersionSettings)
+
+    override fun isApplicableCallForBuilderInference(
+        descriptor: CallableDescriptor,
+        languageVersionSettings: LanguageVersionSettings
+    ): Boolean {
+        return org.jetbrains.kotlin.resolve.calls.inference.isApplicableCallForBuilderInference(descriptor, languageVersionSettings)
+    }
 }

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

@@ -100,26 +100,26 @@ class KotlinToResolvedCallTransformer(
                     PSIPartialCallInfo(baseResolvedCall, context, tracingStrategy)
                 )
 
-                createStubResolvedCallAndWriteItToTrace(candidate, context.trace, baseResolvedCall.diagnostics)
+                createStubResolvedCallAndWriteItToTrace(candidate, context.trace, baseResolvedCall.diagnostics, substitutor = null)
             }
 
             is CompletedCallResolutionResult, is ErrorCallResolutionResult -> {
                 val candidate = (baseResolvedCall as SingleCallResolutionResult).resultCallAtom
 
-                if (baseResolvedCall is CompletedCallResolutionResult) {
+                val resultSubstitutor = baseResolvedCall.constraintSystem.buildResultingSubstitutor()
-                    context.inferenceSession.addCompletedCallInfo(PSICompletedCallInfo(baseResolvedCall, context, tracingStrategy))
-                }
-
                 if (context.inferenceSession.writeOnlyStubs()) {
-                    return createStubResolvedCallAndWriteItToTrace(
+                    val stub = createStubResolvedCallAndWriteItToTrace(
                         candidate,
                         context.trace,
                         baseResolvedCall.diagnostics,
-                        completedCall = true
+                        substitutor = resultSubstitutor
                     )
+
+                    forwardCallToInferenceSession(baseResolvedCall, context, stub, tracingStrategy)
+
+                    return stub as ResolvedCall<D>
                 }
 
-                val resultSubstitutor = baseResolvedCall.constraintSystem.buildResultingSubstitutor()
                 val ktPrimitiveCompleter = ResolvedAtomCompleter(
                     resultSubstitutor, context, this, expressionTypingServices, argumentTypeResolver,
                     doubleColonExpressionResolver, builtIns, deprecationResolver, moduleDescriptor, dataFlowValueFactory
@@ -129,7 +129,10 @@ class KotlinToResolvedCallTransformer(
                     ktPrimitiveCompleter.completeAll(subKtPrimitive)
                 }
 
-                ktPrimitiveCompleter.completeResolvedCall(candidate, baseResolvedCall.diagnostics) as ResolvedCall<D>
+                val resolvedCall = ktPrimitiveCompleter.completeResolvedCall(candidate, baseResolvedCall.diagnostics) as ResolvedCall<D>
+                forwardCallToInferenceSession(baseResolvedCall, context, resolvedCall, tracingStrategy)
+
+                resolvedCall
             }
 
             is SingleCallResolutionResult -> error("Call resolution result for one candidate didn't transformed: $baseResolvedCall")
@@ -137,13 +140,23 @@ class KotlinToResolvedCallTransformer(
         }
     }
 
+    private fun forwardCallToInferenceSession(
+        baseResolvedCall: CallResolutionResult,
+        context: BasicCallResolutionContext,
+        resolvedCall: ResolvedCall<*>,
+        tracingStrategy: TracingStrategy
+    ) {
+        if (baseResolvedCall is CompletedCallResolutionResult) {
+            context.inferenceSession.addCompletedCallInfo(PSICompletedCallInfo(baseResolvedCall, context, resolvedCall, tracingStrategy))
+        }
+    }
+
     fun <D : CallableDescriptor> createStubResolvedCallAndWriteItToTrace(
         candidate: ResolvedCallAtom,
         trace: BindingTrace,
         diagnostics: Collection<KotlinCallDiagnostic>,
-        completedCall: Boolean = false
+        substitutor: NewTypeSubstitutor?
     ): ResolvedCall<D> {
-        val substitutor = if (completedCall) NewTypeSubstitutorByConstructorMap(emptyMap()) else null
         val result = transformToResolvedCall<D>(candidate, trace, substitutor, diagnostics)
         val psiKotlinCall = candidate.atom.psiKotlinCall
         val tracing = psiKotlinCall.safeAs<PSIKotlinCallForInvoke>()?.baseCall?.tracingStrategy ?: psiKotlinCall.tracingStrategy

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

@@ -122,6 +122,7 @@ class PSIPartialCallInfo(
 class PSICompletedCallInfo(
     override val callResolutionResult: CompletedCallResolutionResult,
     val context: BasicCallResolutionContext,
+    val resolvedCall: ResolvedCall<*>,
     val tracingStrategy: TracingStrategy
 ) : CompletedCallInfo
 

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

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.resolve.calls.components
 
+import org.jetbrains.kotlin.config.LanguageVersionSettings
 import org.jetbrains.kotlin.descriptors.CallableDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor
@@ -29,6 +30,7 @@ interface KotlinResolutionStatelessCallbacks {
     fun getScopeTowerForCallableReferenceArgument(argument: CallableReferenceKotlinCallArgument): ImplicitScopeTower
     fun getVariableCandidateIfInvoke(functionCall: KotlinCall): KotlinResolutionCandidate?
     fun isCoroutineCall(argument: KotlinCallArgument, parameter: ValueParameterDescriptor): Boolean
+    fun isApplicableCallForBuilderInference(descriptor: CallableDescriptor, languageVersionSettings: LanguageVersionSettings): Boolean
 }
 
 // This components hold state (trace). Work with this carefully.

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

@@ -179,4 +179,10 @@ class ManyCandidatesCallDiagnostic(
     override fun report(reporter: DiagnosticReporter) {
         reporter.onCall(this)
     }
+}
+
+class NonApplicableCallForBuilderInferenceDiagnostic(val kotlinCall: KotlinCall) : KotlinCallDiagnostic(CONVENTION_ERROR) {
+    override fun report(reporter: DiagnosticReporter) {
+        reporter.onCall(this)
+    }
 }

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/extensionWithNonValuableConstraints.kt

@@ -53,7 +53,7 @@ val test6 = <!OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>generate<!> {
 }
 
 val test7 = <!OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>generate<!> {
-    yield("baz")
+    yield(<!NI;TYPE_MISMATCH!>"baz"<!>)
     genericExtension<Int>()
 }
 

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/extensionWithNonValuableConstraints.ni.txt

@@ -5,9 +5,9 @@ public val test2: kotlin.Any?
 public val test3: kotlin.Int
 public val test4: kotlin.Any?
 public val test5: kotlin.Int
-public val test6: kotlin.String
+public val test6: kotlin.Any?
-public val test7: kotlin.String
+public val test7: kotlin.Int
-public val test8: kotlin.Any?
+public val test8: kotlin.String
 public fun </*0*/ S> generate(/*0*/ @kotlin.BuilderInference g: suspend Controller<S>.() -> kotlin.Unit): S
 public fun Base.baseExtension(): kotlin.Unit
 public fun </*0*/ S> Controller<S>.genericExtension(): kotlin.Unit

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/inferCoroutineTypeInOldVersion.kt

@@ -23,7 +23,7 @@ val memberWithoutAnn = <!NI;IMPLICIT_NOTHING_AS_TYPE_PARAMETER, OI;TYPE_INFERENC
 }
 
 val extension = <!OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>build<!> {
-    extensionAdd("foo")
+    <!NI;NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE!>extensionAdd("foo")<!>
 }
 
 val safeExtension = build {

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/inferCoroutineTypeInOldVersion.ni.txt

@@ -1,6 +1,6 @@
 package
 
-public val extension: kotlin.collections.List<kotlin.Any?>
+public val extension: kotlin.collections.List<kotlin.String>
 public val member: kotlin.collections.List<kotlin.Int>
 public val memberWithoutAnn: kotlin.collections.List<kotlin.Nothing>
 public val safeExtension: kotlin.collections.List<kotlin.String>

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/resolveUsualCallWithBuilderInference.kt

@@ -30,7 +30,7 @@ val memberWithoutAnn = <!NI;IMPLICIT_NOTHING_AS_TYPE_PARAMETER, OI;TYPE_INFERENC
 }
 
 val extension = <!OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>build<!> {
-    extensionAdd("foo")
+    <!NI;NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE!>extensionAdd("foo")<!>
 }
 
 val safeExtension = build {

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/resolveUsualCallWithBuilderInference.ni.txt

@@ -1,9 +1,9 @@
 package
 
-public val extension: kotlin.collections.List<kotlin.Any?>
+public val extension: kotlin.collections.List<kotlin.String>
-public val member: kotlin.collections.List<kotlin.Any?>
+public val member: kotlin.collections.List<kotlin.Int>
 public val memberWithoutAnn: kotlin.collections.List<kotlin.Nothing>
-public val safeExtension: kotlin.collections.List<kotlin.Any?>
+public val safeExtension: kotlin.collections.List<kotlin.String>
 public fun </*0*/ S> build(/*0*/ @kotlin.BuilderInference g: Builder<S>.() -> kotlin.Unit): kotlin.collections.List<S>
 public fun </*0*/ S> wrongBuild(/*0*/ g: Builder<S>.() -> kotlin.Unit): kotlin.collections.List<S>
 public fun </*0*/ S> Builder<S>.extensionAdd(/*0*/ s: S): kotlin.Unit

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/useInferenceInformationFromExtension.kt

@@ -26,7 +26,7 @@ val normal = generate {
 }
 
 val extension = <!OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>generate<!> {
-    extensionYield("foo")
+    <!NI;NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE!>extensionYield("foo")<!>
 }
 
 val safeExtension = generate {

compiler/testData/diagnostics/testsWithStdLib/coroutines/restrictSuspension/outerYield_1_2.kt

@@ -1,6 +1,8 @@
 // !LANGUAGE: -ReleaseCoroutines -ExperimentalBuilderInference
 // !DIAGNOSTICS: -EXPERIMENTAL_FEATURE_WARNING
+// !WITH_NEW_INFERENCE
 // SKIP_TXT
+
 @kotlin.coroutines.experimental.RestrictsSuspension
 class RestrictedController<T> {
     suspend fun yield(<!UNUSED_PARAMETER!>x<!>: T) {}
@@ -75,13 +77,13 @@ fun test() {
             this@a.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>yield<!>(1)
             this@a.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>yield2<!>(1)
 
-            with(this) {
+            <!NI;NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE!>with(this) {
                 <!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>yield<!>("")
                 this@with.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>yield<!>("")
 
                 <!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>yield2<!>("")
                 this@with.<!ILLEGAL_RESTRICTED_SUSPENDING_FUNCTION_CALL!>yield2<!>("")
-            }
+            }<!>
         }
     }