diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/Arguments.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/Arguments.kt
index b7585eaa1ad..b31beaf5dab 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/Arguments.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/calls/Arguments.kt
@@ -6,11 +6,15 @@
 package org.jetbrains.kotlin.fir.resolve.calls
 
 import org.jetbrains.kotlin.fir.FirSession
-import org.jetbrains.kotlin.fir.declarations.*
+import org.jetbrains.kotlin.fir.declarations.FirAnonymousFunction
+import org.jetbrains.kotlin.fir.declarations.FirFunction
+import org.jetbrains.kotlin.fir.declarations.FirValueParameter
 import org.jetbrains.kotlin.fir.expressions.*
 import org.jetbrains.kotlin.fir.lookupTracker
 import org.jetbrains.kotlin.fir.references.FirResolvedNamedReference
-import org.jetbrains.kotlin.fir.resolve.*
+import org.jetbrains.kotlin.fir.resolve.ScopeSession
+import org.jetbrains.kotlin.fir.resolve.createFunctionalType
+import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
 import org.jetbrains.kotlin.fir.resolve.inference.*
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.firUnsafe
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.resultType
@@ -18,12 +22,12 @@ import org.jetbrains.kotlin.fir.resolve.transformers.ensureResolvedTypeDeclarati
 import org.jetbrains.kotlin.fir.returnExpressions
 import org.jetbrains.kotlin.fir.symbols.ConeClassLikeLookupTag
 import org.jetbrains.kotlin.fir.symbols.ConeTypeParameterLookupTag
-import org.jetbrains.kotlin.name.StandardClassIds
 import org.jetbrains.kotlin.fir.typeContext
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.fir.types.impl.ConeTypeParameterTypeImpl
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.name.StandardClassIds
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystemBuilder
 import org.jetbrains.kotlin.resolve.calls.inference.addSubtypeConstraintIfCompatible
 import org.jetbrains.kotlin.resolve.calls.inference.model.ConstraintPosition
@@ -103,7 +107,7 @@ fun Candidate.resolveArgumentExpression(
             else
                 preprocessCallableReference(argument, expectedType, context)
         // TODO:!
-        is FirAnonymousFunction -> preprocessLambdaArgument(csBuilder, argument, expectedType, expectedTypeRef, context)
+        is FirAnonymousFunction -> preprocessLambdaArgument(csBuilder, argument, expectedType, expectedTypeRef, context, sink)
         // TODO:!
         //TODO: Collection literal
         is FirWrappedArgumentExpression -> resolveArgumentExpression(
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArguments.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArguments.kt
index 049be4c93b8..8d47c364430 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArguments.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArguments.kt
@@ -8,12 +8,15 @@ package org.jetbrains.kotlin.fir.resolve.inference
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirAnonymousFunction
 import org.jetbrains.kotlin.fir.expressions.FirCallableReferenceAccess
+import org.jetbrains.kotlin.fir.resolve.calls.ArgumentTypeMismatch
 import org.jetbrains.kotlin.fir.resolve.calls.Candidate
+import org.jetbrains.kotlin.fir.resolve.calls.CheckerSink
 import org.jetbrains.kotlin.fir.resolve.calls.ResolutionContext
 import org.jetbrains.kotlin.fir.resolve.createFunctionalType
+import org.jetbrains.kotlin.fir.resolve.inference.model.ConeArgumentConstraintPosition
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystemBuilder
-import org.jetbrains.kotlin.resolve.calls.inference.model.SimpleConstraintSystemConstraintPosition
+import org.jetbrains.kotlin.resolve.calls.inference.addSubtypeConstraintIfCompatible
 import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
 fun Candidate.preprocessLambdaArgument(
@@ -22,16 +25,23 @@ fun Candidate.preprocessLambdaArgument(
     expectedType: ConeKotlinType?,
     expectedTypeRef: FirTypeRef?,
     context: ResolutionContext,
-    forceResolution: Boolean = false,
+    sink: CheckerSink?,
+    duringCompletion: Boolean = false,
     returnTypeVariable: ConeTypeVariableForLambdaReturnType? = null
 ): PostponedResolvedAtom {
-    if (expectedType != null && expectedTypeRef != null && !forceResolution && csBuilder.isTypeVariable(expectedType)) {
+    if (expectedType != null && expectedTypeRef != null && !duringCompletion && csBuilder.isTypeVariable(expectedType)) {
         return LambdaWithTypeVariableAsExpectedTypeAtom(argument, expectedType, expectedTypeRef, this)
     }
 
     val resolvedArgument =
-        extractLambdaInfoFromFunctionalType(expectedType, expectedTypeRef, argument, returnTypeVariable, context.bodyResolveComponents, this)
-            ?: extraLambdaInfo(expectedType, argument, csBuilder, context.session, this)
+        extractLambdaInfoFromFunctionalType(
+            expectedType,
+            expectedTypeRef,
+            argument,
+            returnTypeVariable,
+            context.bodyResolveComponents,
+            this
+        ) ?: extraLambdaInfo(expectedType, argument, csBuilder, context.session, this)
 
     if (expectedType != null) {
         // TODO: add SAM conversion processing
@@ -41,7 +51,15 @@ fun Candidate.preprocessLambdaArgument(
             resolvedArgument.returnType,
             isSuspend = resolvedArgument.isSuspend
         )
-        csBuilder.addSubtypeConstraint(lambdaType, expectedType, SimpleConstraintSystemConstraintPosition)
+
+        val position = ConeArgumentConstraintPosition(resolvedArgument.atom)
+        if (duringCompletion || sink == null) {
+            csBuilder.addSubtypeConstraint(lambdaType, expectedType, position)
+        } else {
+            if (!csBuilder.addSubtypeConstraintIfCompatible(lambdaType, expectedType, position)) {
+                sink.reportDiagnostic(ArgumentTypeMismatch(lambdaType, expectedType, argument))
+            }
+        }
     }
 
     return resolvedArgument
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArgumentsAnalyzer.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArgumentsAnalyzer.kt
index 4d1c96ddeef..000cfad176e 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArgumentsAnalyzer.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/PostponedArgumentsAnalyzer.kt
@@ -13,6 +13,7 @@ import org.jetbrains.kotlin.fir.recordTypeResolveAsLookup
 import org.jetbrains.kotlin.fir.references.builder.buildErrorNamedReference
 import org.jetbrains.kotlin.fir.resolve.calls.*
 import org.jetbrains.kotlin.fir.resolve.diagnostics.ConeUnresolvedReferenceError
+import org.jetbrains.kotlin.fir.resolve.inference.model.ConeLambdaArgumentConstraintPosition
 import org.jetbrains.kotlin.fir.resolve.substitution.ConeSubstitutor
 import org.jetbrains.kotlin.fir.resolve.transformers.StoreNameReference
 import org.jetbrains.kotlin.fir.types.*
@@ -21,7 +22,6 @@ import org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef
 import org.jetbrains.kotlin.resolve.calls.components.PostponedArgumentsAnalyzerContext
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystemBuilder
 import org.jetbrains.kotlin.resolve.calls.inference.model.CoroutinePosition
-import org.jetbrains.kotlin.resolve.calls.inference.model.SimpleConstraintSystemConstraintPosition
 import org.jetbrains.kotlin.types.model.StubTypeMarker
 import org.jetbrains.kotlin.types.model.TypeVariableMarker
 import org.jetbrains.kotlin.types.model.freshTypeConstructor
@@ -201,7 +201,7 @@ class PostponedArgumentsAnalyzer(
             c.getBuilder().addEqualityConstraint(
                 lambdaReturnType,
                 components.session.builtinTypes.unitType.type,
-                SimpleConstraintSystemConstraintPosition
+                ConeLambdaArgumentConstraintPosition(lambda.atom)
             )
         }
 
@@ -230,7 +230,8 @@ fun LambdaWithTypeVariableAsExpectedTypeAtom.transformToResolvedLambda(
         fixedExpectedType,
         expectedTypeRef,
         context,
-        forceResolution = true,
+        sink = null,
+        duringCompletion = true,
         returnTypeVariable = returnTypeVariable
     ) as ResolvedLambdaAtom
     analyzed = true