Fix compiler warnings and some inspections

compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/DaemonParams.kt

@@ -323,17 +323,19 @@ fun configureDaemonJVMOptions(opts: DaemonJVMOptions,
 
 private val jvmAssertArgsRegex = "(es?a|ds?a|(enable|disable)(system)?assertions)(${'$'}|:)".toRegex()
 
-fun configureDaemonJVMOptions(vararg additionalParams: String,
-                              inheritMemoryLimits: Boolean,
-                              inheritOtherJvmOptions: Boolean,
-                              inheritAdditionalProperties: Boolean
+fun configureDaemonJVMOptions(
+    vararg additionalParams: String,
+    inheritMemoryLimits: Boolean,
+    inheritOtherJvmOptions: Boolean,
+    inheritAdditionalProperties: Boolean
 ): DaemonJVMOptions =
-        configureDaemonJVMOptions(DaemonJVMOptions(),
-                                  additionalParams = additionalParams,
-                                  inheritMemoryLimits = inheritMemoryLimits,
-                                  inheritOtherJvmOptions = inheritOtherJvmOptions,
-                                  inheritAdditionalProperties = inheritAdditionalProperties)
-
+    configureDaemonJVMOptions(
+        DaemonJVMOptions(),
+        *additionalParams,
+        inheritMemoryLimits = inheritMemoryLimits,
+        inheritOtherJvmOptions = inheritOtherJvmOptions,
+        inheritAdditionalProperties = inheritAdditionalProperties,
+    )
 
 fun configureDaemonOptions(opts: DaemonOptions): DaemonOptions {
     System.getProperty(COMPILE_DAEMON_OPTIONS_PROPERTY)?.let {

compiler/fir/dump/src/org/jetbrains/kotlin/fir/dump/HtmlFirDump.kt

@@ -841,7 +841,7 @@ class HtmlFirDump internal constructor(private var linkResolver: FirLinkResolver
             is ConeClassErrorType -> error { +type.diagnostic.reason }
             is ConeClassLikeType -> return generate(type)
             is ConeTypeParameterType -> resolved {
-                symbolRef(type.lookupTag.toSymbol()) {
+                symbolRef(type.lookupTag.symbol) {
                     simpleName(type.lookupTag.name)
                 }
             }

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

@@ -345,7 +345,6 @@ fun Fir2IrComponents.createSafeCallConstruction(
     receiverVariable: IrVariable,
     receiverVariableSymbol: IrValueSymbol,
     expressionOnNotNull: IrExpression,
-    isReceiverNullable: Boolean
 ): IrExpression {
     val startOffset = expressionOnNotNull.startOffset
     val endOffset = expressionOnNotNull.endOffset

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

@@ -343,14 +343,7 @@ class Fir2IrVisitor(
 
         return conversionScope.withSafeCallSubject(receiverVariable) {
             val afterNotNullCheck = safeCallExpression.regularQualifiedAccess.accept(this, data) as IrExpression
-
-            val isReceiverNullable = with(components.session.typeContext) {
-                safeCallExpression.receiver.typeRef.coneType.isNullableType()
-            }
-
-            components.createSafeCallConstruction(
-                receiverVariable, variableSymbol, afterNotNullCheck, isReceiverNullable
-            )
+            components.createSafeCallConstruction(receiverVariable, variableSymbol, afterNotNullCheck)
         }
     }
 

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/OperatorExpressionGenerator.kt

@@ -169,7 +169,7 @@ internal class OperatorExpressionGenerator(
 
             unsafeIrCall.dispatchReceiver = IrGetValueImpl(startOffset, endOffset, receiverVariableSymbol)
 
-            components.createSafeCallConstruction(receiverVariable, receiverVariableSymbol, unsafeIrCall, isReceiverNullable = true)
+            components.createSafeCallConstruction(receiverVariable, receiverVariableSymbol, unsafeIrCall)
         } else {
             unsafeIrCall
         }

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/FirAnnotationTypeQualifierResolver.kt

@@ -71,7 +71,7 @@ class FirAnnotationTypeQualifierResolver(private val session: FirSession, privat
         val annotationClassId = annotationCall.classId
         return BUILT_IN_TYPE_QUALIFIER_DEFAULT_ANNOTATION_IDS[annotationClassId]?.let { qualifierForDefaultingAnnotation ->
             val state = resolveJsr305ReportLevel(annotationCall).takeIf { it != ReportLevel.IGNORE } ?: return null
-            return qualifierForDefaultingAnnotation.copy(
+            qualifierForDefaultingAnnotation.copy(
                 nullabilityQualifier = qualifierForDefaultingAnnotation.nullabilityQualifier.copy(isForWarningOnly = state.isWarning)
             )
         }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/LookupTagUtils.kt

@@ -10,7 +10,6 @@ import org.jetbrains.kotlin.fir.resolve.providers.FirSymbolProvider
 import org.jetbrains.kotlin.fir.symbols.ConeClassLikeLookupTag
 import org.jetbrains.kotlin.fir.symbols.ConeClassifierLookupTag
 import org.jetbrains.kotlin.fir.symbols.ConeClassifierLookupTagWithFixedSymbol
-import org.jetbrains.kotlin.fir.symbols.ConeTypeParameterLookupTag
 import org.jetbrains.kotlin.fir.symbols.impl.*
 
 fun ConeClassifierLookupTag.toSymbol(useSiteSession: FirSession): FirClassifierSymbol<*>? =
@@ -33,8 +32,6 @@ fun ConeClassLikeLookupTag.toSymbol(useSiteSession: FirSession): FirClassLikeSym
     }
 }
 
-fun ConeTypeParameterLookupTag.toSymbol(): FirTypeParameterSymbol = this.symbol as FirTypeParameterSymbol
-
 @OptIn(LookupTagInternals::class)
 fun ConeClassLikeLookupTagImpl.bindSymbolToLookupTag(session: FirSession, symbol: FirClassLikeSymbol<*>?) {
     boundSymbol = OneElementWeakMap(session, symbol)

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/ScopeUtils.kt

@@ -50,7 +50,7 @@ private fun ConeKotlinType.scope(useSiteSession: FirSession, scopeSession: Scope
             fir.scopeForClass(substitutorByMap(substitution), useSiteSession, scopeSession)
         }
         is ConeTypeParameterType -> {
-            val symbol = lookupTag.toSymbol()
+            val symbol = lookupTag.symbol
             scopeSession.getOrBuild(symbol, TYPE_PARAMETER_SCOPE_KEY) {
                 val intersectionType = ConeTypeIntersector.intersectTypes(
                     useSiteSession.typeContext,

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/TypeExpansionUtils.kt

@@ -83,7 +83,7 @@ private fun mapTypeAliasArguments(
 
         override fun substituteArgument(projection: ConeTypeProjection): ConeTypeProjection? {
             val type = (projection as? ConeKotlinTypeProjection)?.type ?: return null
-            val symbol = (type as? ConeTypeParameterType)?.lookupTag?.toSymbol() ?: return super.substituteArgument(projection)
+            val symbol = (type as? ConeTypeParameterType)?.lookupTag?.symbol ?: return super.substituteArgument(projection)
             val mappedProjection = typeAliasMap[symbol] ?: return super.substituteArgument(projection)
             val mappedType = (mappedProjection as? ConeKotlinTypeProjection)?.type ?: return mappedProjection
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirSupertypesResolution.kt

@@ -17,7 +17,6 @@ import org.jetbrains.kotlin.fir.extensions.extensionService
 import org.jetbrains.kotlin.fir.extensions.predicateBasedProvider
 import org.jetbrains.kotlin.fir.extensions.supertypeGenerators
 import org.jetbrains.kotlin.fir.resolve.*
-import org.jetbrains.kotlin.fir.resolve.toSymbol
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.LocalClassesNavigationInfo
 import org.jetbrains.kotlin.fir.scopes.FirCompositeScope
 import org.jetbrains.kotlin.fir.scopes.FirScope
@@ -228,7 +227,7 @@ private class FirSupertypeResolverVisitor(
 
                 // Local classes should be treated specially and supplied with localClassesNavigationInfo, normally
                 // But it seems to be too strict to add an assertion here
-                val navigationInfo = localClassesNavigationInfo ?: return persistentListOf()
+                if (localClassesNavigationInfo == null) return persistentListOf()
 
                 val parent = localClassesNavigationInfo.parentForClass[classLikeDeclaration]
 

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/PhaseUtils.kt

@@ -20,7 +20,7 @@ fun AbstractFirBasedSymbol<*>.ensureResolved(
     requiredPhase: FirResolvePhase,
     // TODO: Currently, the parameter is unused but it's needed to guarantee that all call-sites are able to supply use-site session
     // TODO: Decide which one session should be used and probably get rid of the parameter if use-site session is not needed
-    useSiteSession: FirSession,
+    @Suppress("UNUSED_PARAMETER") useSiteSession: FirSession,
 ) {
     val fir = fir as FirDeclaration
     val availablePhase = fir.resolvePhase

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirImplicitBodyResolve.kt

@@ -234,8 +234,6 @@ private class ReturnTypeCalculatorWithJump(
 
     private fun computeReturnTypeRef(declaration: FirCallableMemberDeclaration<*>): FirResolvedTypeRef {
         val symbol = declaration.symbol
-        val id = symbol.callableId
-
         val provider = session.firProvider
 
         val (designation, outerBodyResolveContext) = if (declaration in designationMapForLocalClasses) {

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/impl/FirFakeOverrideGenerator.kt

@@ -108,8 +108,7 @@ object FirFakeOverrideGenerator {
             dispatchReceiverType = newDispatchReceiverType
             attributes = baseFunction.attributes.copy()
             typeParameters += configureAnnotationsTypeParametersAndSignature(
-                session, baseFunction, newParameterTypes,
-                newTypeParameters, newReceiverType, newReturnType, fakeOverrideSubstitution
+                baseFunction, newParameterTypes, newTypeParameters, newReceiverType, newReturnType, fakeOverrideSubstitution
             ).filterIsInstance<FirTypeParameter>()
         }
     }
@@ -135,7 +134,7 @@ object FirFakeOverrideGenerator {
             symbol = fakeOverrideSymbol
 
             typeParameters += configureAnnotationsTypeParametersAndSignature(
-                session, baseConstructor, newParameterTypes, newTypeParameters, newReceiverType = null, newReturnType, fakeOverrideSubstitution
+                baseConstructor, newParameterTypes, newTypeParameters, newReceiverType = null, newReturnType, fakeOverrideSubstitution
             )
 
             dispatchReceiverType = newDispatchReceiverType
@@ -147,7 +146,6 @@ object FirFakeOverrideGenerator {
     }
 
     private fun FirFunctionBuilder.configureAnnotationsTypeParametersAndSignature(
-        session: FirSession,
         baseFunction: FirFunction<*>,
         newParameterTypes: List<ConeKotlinType?>?,
         newTypeParameters: List<FirTypeParameterRef>?,
@@ -158,7 +156,6 @@ object FirFakeOverrideGenerator {
         return when {
             baseFunction.typeParameters.isEmpty() -> {
                 configureAnnotationsAndSignature(
-                    session,
                     baseFunction,
                     newParameterTypes,
                     newReceiverType,
@@ -183,7 +180,6 @@ object FirFakeOverrideGenerator {
                     else -> null to FakeOverrideSubstitution(substitutor, symbol)
                 }
                 configureAnnotationsAndSignature(
-                    session,
                     baseFunction,
                     copiedParameterTypes,
                     copiedReceiverType,
@@ -194,7 +190,6 @@ object FirFakeOverrideGenerator {
             }
             else -> {
                 configureAnnotationsAndSignature(
-                    session,
                     baseFunction,
                     newParameterTypes,
                     newReceiverType,
@@ -207,7 +202,6 @@ object FirFakeOverrideGenerator {
     }
 
     private fun FirFunctionBuilder.configureAnnotationsAndSignature(
-        session: FirSession,
         baseFunction: FirFunction<*>,
         newParameterTypes: List<ConeKotlinType?>?,
         newReceiverType: ConeKotlinType?,

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/types/ConeTypeContext.kt

@@ -329,7 +329,7 @@ interface ConeTypeContext : TypeSystemContext, TypeSystemOptimizationContext, Ty
         }
 
         val substitutor = substitutorByMap((0 until argumentsCount).map { index ->
-            (typeConstructor.getParameter(index) as ConeTypeParameterLookupTag).toSymbol() to (newArguments[index] as ConeKotlinType)
+            (typeConstructor.getParameter(index) as ConeTypeParameterLookupTag).symbol to (newArguments[index] as ConeKotlinType)
         }.toMap())
 
         for (index in 0 until argumentsCount) {
@@ -561,8 +561,8 @@ class ConeTypeCheckerContext(
         }
     }
 
-    override fun areEqualTypeConstructors(a: TypeConstructorMarker, b: TypeConstructorMarker): Boolean {
-        return a == b
+    override fun areEqualTypeConstructors(c1: TypeConstructorMarker, c2: TypeConstructorMarker): Boolean {
+        return c1 == c2
     }
 
     override fun prepareType(type: KotlinTypeMarker): KotlinTypeMarker {

compiler/frontend/src/org/jetbrains/kotlin/analyzer/AbstractResolverForProject.kt

@@ -239,9 +239,11 @@ private class DelegatingPackageFragmentProvider<M : ModuleInfo>(
 ) : PackageFragmentProviderOptimized {
     private val syntheticFilePackages = moduleContent.syntheticFiles.map { it.packageFqName }.toSet()
 
+    @Suppress("OverridingDeprecatedMember")
     override fun getPackageFragments(fqName: FqName): List<PackageFragmentDescriptor> {
         if (certainlyDoesNotExist(fqName)) return emptyList()
 
+        @Suppress("DEPRECATION")
         return resolverForProject.resolverForModuleDescriptor(module).packageFragmentProvider.getPackageFragments(fqName)
     }
 

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

@@ -9,7 +9,6 @@ import org.jetbrains.kotlin.builtins.UnsignedTypes
 import org.jetbrains.kotlin.builtins.functions.FunctionInvokeDescriptor
 import org.jetbrains.kotlin.builtins.isExtensionFunctionType
 import org.jetbrains.kotlin.config.LanguageFeature
-import org.jetbrains.kotlin.diagnostics.Errors
 import org.jetbrains.kotlin.diagnostics.Errors.*
 import org.jetbrains.kotlin.diagnostics.Errors.BadNamedArgumentsTarget.*
 import org.jetbrains.kotlin.diagnostics.reportDiagnosticOnce
@@ -67,7 +66,7 @@ class DiagnosticReporterByTrackingStrategy(
             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))
+                trace.reportDiagnosticOnce(NON_APPLICABLE_CALL_FOR_BUILDER_INFERENCE.on(reportOn.psiKotlinCall.psiCall.callElement))
             }
             CandidateChosenUsingOverloadResolutionByLambdaAnnotation::class.java -> {
                 trace.report(CANDIDATE_CHOSEN_USING_OVERLOAD_RESOLUTION_BY_LAMBDA_ANNOTATION.on(psiKotlinCall.psiCall.callElement))
@@ -338,8 +337,8 @@ class DiagnosticReporterByTrackingStrategy(
     override fun constraintError(error: ConstraintSystemError) {
         when (error.javaClass) {
             NewConstraintError::class.java -> {
-                val constraintError = error as NewConstraintError
-                val position = constraintError.position.from
+                error as NewConstraintError
+                val position = error.position.from
                 val argument =
                     when (position) {
                         is ArgumentConstraintPositionImpl -> position.argument
@@ -351,16 +350,16 @@ class DiagnosticReporterByTrackingStrategy(
                 argument?.let {
                     it.safeAs<LambdaKotlinCallArgument>()?.let lambda@{ lambda ->
                         val parameterTypes = lambda.parametersTypes?.toList() ?: return@lambda
-                        val index = parameterTypes.indexOf(constraintError.upperKotlinType.unwrap())
+                        val index = parameterTypes.indexOf(error.upperKotlinType.unwrap())
                         val lambdaExpression = lambda.psiExpression as? KtLambdaExpression ?: return@lambda
                         val parameter = lambdaExpression.valueParameters.getOrNull(index) ?: return@lambda
-                        trace.report(Errors.EXPECTED_PARAMETER_TYPE_MISMATCH.on(parameter, constraintError.upperKotlinType))
+                        trace.report(EXPECTED_PARAMETER_TYPE_MISMATCH.on(parameter, error.upperKotlinType))
                         return
                     }
 
                     val expression = it.psiExpression ?: return
                     val deparenthesized = KtPsiUtil.safeDeparenthesize(expression)
-                    if (reportConstantTypeMismatch(constraintError, deparenthesized)) return
+                    if (reportConstantTypeMismatch(error, deparenthesized)) return
 
                     val compileTimeConstant = trace[BindingContext.COMPILE_TIME_VALUE, deparenthesized] as? TypedCompileTimeConstant
                     if (compileTimeConstant != null) {
@@ -371,40 +370,22 @@ class DiagnosticReporterByTrackingStrategy(
                             return
                         }
                     }
-                    trace.report(
-                        Errors.TYPE_MISMATCH.on(
-                            deparenthesized,
-                            constraintError.upperKotlinType,
-                            constraintError.lowerKotlinType
-                        )
-                    )
+                    trace.report(TYPE_MISMATCH.on(deparenthesized, error.upperKotlinType, error.lowerKotlinType))
                 }
 
                 (position as? ExpectedTypeConstraintPositionImpl)?.let {
                     val call = it.topLevelCall.psiKotlinCall.psiCall.callElement.safeAs<KtExpression>()
                     val inferredType =
-                        if (!constraintError.lowerKotlinType.isNullableNothing()) constraintError.lowerKotlinType
-                        else constraintError.upperKotlinType.makeNullable()
+                        if (!error.lowerKotlinType.isNullableNothing()) error.lowerKotlinType
+                        else error.upperKotlinType.makeNullable()
                     if (call != null) {
-                        trace.report(
-                            Errors.TYPE_MISMATCH.on(
-                                call,
-                                constraintError.upperKotlinType,
-                                inferredType
-                            )
-                        )
+                        trace.report(TYPE_MISMATCH.on(call, error.upperKotlinType, inferredType))
                     }
                 }
 
                 (position as? ExplicitTypeParameterConstraintPositionImpl)?.let {
                     val typeArgumentReference = (it.typeArgument as SimpleTypeArgumentImpl).typeReference
-                    trace.report(
-                        UPPER_BOUND_VIOLATED.on(
-                            typeArgumentReference,
-                            constraintError.upperKotlinType,
-                            constraintError.lowerKotlinType
-                        )
-                    )
+                    trace.report(UPPER_BOUND_VIOLATED.on(typeArgumentReference, error.upperKotlinType, error.lowerKotlinType))
                 }
 
                 (position as? FixVariableConstraintPositionImpl)?.let {
@@ -417,36 +398,29 @@ class DiagnosticReporterByTrackingStrategy(
                     val call = it.resolvedAtom?.atom?.safeAs<PSIKotlinCall>()?.psiCall ?: call
                     val expression = call.calleeExpression ?: return
 
-                    trace.reportDiagnosticOnce(
-                        TYPE_MISMATCH.on(
-                            expression,
-                            constraintError.upperKotlinType,
-                            constraintError.lowerKotlinType
-                        )
-                    )
+                    trace.reportDiagnosticOnce(TYPE_MISMATCH.on(expression, error.upperKotlinType, error.lowerKotlinType))
                 }
             }
 
             CapturedTypeFromSubtyping::class.java -> {
-                val capturedError = error as CapturedTypeFromSubtyping
-                val position = capturedError.position
-                val argumentPosition =
-                    position.safeAs<ArgumentConstraintPositionImpl>()
-                        ?: position.safeAs<IncorporationConstraintPosition>()?.from.safeAs<ArgumentConstraintPositionImpl>()
+                error as CapturedTypeFromSubtyping
+                val position = error.position
+                val argumentPosition: ArgumentConstraintPositionImpl? =
+                    position.safeAs() ?: position.safeAs<IncorporationConstraintPosition>()?.from.safeAs()
 
                 argumentPosition?.let {
                     val expression = it.argument.psiExpression ?: return
                     trace.reportDiagnosticOnce(
                         NEW_INFERENCE_ERROR.on(
                             expression,
-                            "Capture type from subtyping ${capturedError.constraintType} for variable ${capturedError.typeVariable}"
+                            "Capture type from subtyping ${error.constraintType} for variable ${error.typeVariable}"
                         )
                     )
                 }
             }
 
             NotEnoughInformationForTypeParameterImpl::class.java -> {
-                val error = error as NotEnoughInformationForTypeParameterImpl
+                error as NotEnoughInformationForTypeParameterImpl
                 if (allDiagnostics.any {
                         when (it) {
                             is WrongCountOfTypeArguments -> true

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

@@ -661,10 +661,8 @@ sealed class NewAbstractResolvedCall<D : CallableDescriptor>() : ResolvedCall<D>
             }
 
             if (varargMappings != null && !needToUseCorrectExecutionOrderForVarargArguments) {
-                if (varargMappings != null) {
-                    for ((parameter, argument) in varargMappings) {
-                        result[parameter] = argument
-                    }
+                for ((parameter, argument) in varargMappings) {
+                    result[parameter] = argument
                 }
             }
         }

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/calls/JsonIntrinsics.kt

@@ -6,18 +6,14 @@
 package org.jetbrains.kotlin.ir.backend.js.lower.calls
 
 import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
-import org.jetbrains.kotlin.ir.expressions.IrDynamicOperator
 import org.jetbrains.kotlin.ir.expressions.IrExpression
 import org.jetbrains.kotlin.ir.expressions.IrFunctionAccessExpression
-import org.jetbrains.kotlin.ir.expressions.impl.IrDynamicOperatorExpressionImpl
 import org.jetbrains.kotlin.ir.util.fqNameWhenAvailable
 import org.jetbrains.kotlin.name.FqName
 
-
 // TODO use nativeX annotations on kotlin.js.Json instead
 class JsonIntrinsics(context: JsIrBackendContext) : NativeGetterSetterTransformer(context) {
-
-    override fun transformFunctionAccess(call: IrFunctionAccessExpression, skip: Boolean): IrExpression {
+    override fun transformFunctionAccess(call: IrFunctionAccessExpression, doNotIntrinsify: Boolean): IrExpression {
         return when (call.symbol.owner.fqNameWhenAvailable) {
             FqName("kotlin.js.Json.get") -> call.transformToIndexedRead()
             FqName("kotlin.js.Json.set") -> call.transformToIndexedWrite()

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/JsIntrinsicTransformers.kt

@@ -235,7 +235,7 @@ class JsIntrinsicTransformers(backendContext: JsIrBackendContext) {
                 val value = args[1]
                 jsAssignment(JsNameRef(Namer.SHARED_BOX_V, box), value)
             }
-            add(intrinsics.jsUndefined) { call: IrCall, context: JsGenerationContext ->
+            add(intrinsics.jsUndefined) { _, _ ->
                 JsPrefixOperation(JsUnaryOperator.VOID, JsIntLiteral(1))
             }
         }

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DataClassMembersGenerator.kt

@@ -22,12 +22,10 @@ import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.IrMemberAccessExpression
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.util.DataClassMembersGenerator
-import org.jetbrains.kotlin.ir.util.SYNTHETIC_OFFSET
 import org.jetbrains.kotlin.ir.util.declareSimpleFunctionWithOverrides
 import org.jetbrains.kotlin.psi.KtClassOrObject
 import org.jetbrains.kotlin.psi.KtParameter
 import org.jetbrains.kotlin.resolve.BindingContext
-import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
 
 /**
  * A generator that generates synthetic members of data class as well as part of inline class.
@@ -88,9 +86,6 @@ class DataClassMembersGenerator(
         override fun generateComponentFunction(function: FunctionDescriptor, parameter: ValueParameterDescriptor) {
             if (!irClass.isData) return
 
-            val ktParameter = DescriptorToSourceUtils.descriptorToDeclaration(parameter)
-                ?: throw AssertionError("No definition for data class constructor parameter $parameter")
-
             val backingField = irDataClassMembersGenerator.getBackingField(parameter, null) ?: return
             irDataClassMembersGenerator.generateComponentFunction(function, backingField)
         }

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/PropertyGenerator.kt

@@ -20,7 +20,6 @@ import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
 import org.jetbrains.kotlin.descriptors.impl.PropertyGetterDescriptorImpl
 import org.jetbrains.kotlin.ir.declarations.*
-import org.jetbrains.kotlin.ir.expressions.IrExpression
 import org.jetbrains.kotlin.ir.expressions.IrExpressionBody
 import org.jetbrains.kotlin.ir.expressions.IrStatementOrigin
 import org.jetbrains.kotlin.ir.expressions.impl.IrGetValueImpl
@@ -42,7 +41,7 @@ class PropertyGenerator(declarationGenerator: DeclarationGenerator) : Declaratio
             generateSimpleProperty(ktProperty, propertyDescriptor)
     }
 
-    fun generateDestructuringDeclarationEntryAsPropertyDeclaration(ktEntry: KtDestructuringDeclarationEntry, entryInitializer: IrExpression): IrProperty {
+    fun generateDestructuringDeclarationEntryAsPropertyDeclaration(ktEntry: KtDestructuringDeclarationEntry): IrProperty {
         val propertyDescriptor = getPropertyDescriptor(ktEntry)
         return context.symbolTable.declareProperty(
             ktEntry.startOffsetSkippingComments, ktEntry.endOffset,

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ScriptGenerator.kt

@@ -173,7 +173,7 @@ class ScriptGenerator(declarationGenerator: DeclarationGenerator) : DeclarationG
 
                             val irComponentProperty =
                                 PropertyGenerator(declarationGenerator).generateDestructuringDeclarationEntryAsPropertyDeclaration(
-                                    ktEntry, irComponentCall
+                                    ktEntry
                                 )
                             val irComponentBackingField = irComponentProperty.backingField!!
 

compiler/resolution.common/src/org/jetbrains/kotlin/resolve/calls/inference/components/ConstraintInjector.kt

@@ -5,7 +5,6 @@
 
 package org.jetbrains.kotlin.resolve.calls.inference.components
 
-
 import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.config.LanguageVersionSettings
 import org.jetbrains.kotlin.resolve.calls.inference.ConstraintSystemOperation
@@ -196,8 +195,8 @@ class ConstraintInjector(
             return baseContext.substitutionSupertypePolicy(type)
         }
 
-        override fun areEqualTypeConstructors(a: TypeConstructorMarker, b: TypeConstructorMarker): Boolean {
-            return baseContext.areEqualTypeConstructors(a, b)
+        override fun areEqualTypeConstructors(c1: TypeConstructorMarker, c2: TypeConstructorMarker): Boolean {
+            return baseContext.areEqualTypeConstructors(c1, c2)
         }
 
         override fun prepareType(type: KotlinTypeMarker): KotlinTypeMarker {

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/AnnotationTypeQualifierResolver.kt

@@ -85,7 +85,7 @@ class AnnotationTypeQualifierResolver(storageManager: StorageManager, private va
 
         return BUILT_IN_TYPE_QUALIFIER_DEFAULT_ANNOTATIONS[annotationDescriptor.fqName]?.let { qualifierForDefaultingAnnotation ->
             val state = resolveDefaultAnnotationState(annotationDescriptor).takeIf { it != ReportLevel.IGNORE } ?: return null
-            return qualifierForDefaultingAnnotation.copy(
+            qualifierForDefaultingAnnotation.copy(
                 nullabilityQualifier = qualifierForDefaultingAnnotation.nullabilityQualifier.copy(isForWarningOnly = state.isWarning)
             )
         }

core/descriptors.jvm/src/org/jetbrains/kotlin/resolve/jvm/JavaDescriptorResolver.kt

@@ -40,6 +40,7 @@ class JavaDescriptorResolver(
 
         if (fqName == null) return null
 
+        @Suppress("DEPRECATION")
         return packageFragmentProvider.getPackageFragments(fqName.parent()).firstOrNull()?.findClassifierByJavaClass(javaClass)
     }
 }

core/descriptors/src/org/jetbrains/kotlin/descriptors/PackageFragmentProvider.kt

@@ -48,7 +48,6 @@ fun PackageFragmentProvider.collectPackageFragmentsOptimizedIfPossible(
 ) {
     when (this) {
         is PackageFragmentProviderOptimized -> collectPackageFragments(fqName, packageFragments)
-        else -> packageFragments.addAll(getPackageFragments(fqName))
+        else -> packageFragments.addAll(@Suppress("DEPRECATION") getPackageFragments(fqName))
     }
 }
-

core/descriptors/src/org/jetbrains/kotlin/types/checker/ClassicTypeCheckerContext.kt

@@ -47,10 +47,10 @@ open class ClassicTypeCheckerContext(
     override val isStubTypeEqualsToAnything: Boolean
         get() = stubTypeEqualsToAnything
 
-    override fun areEqualTypeConstructors(a: TypeConstructorMarker, b: TypeConstructorMarker): Boolean {
-        require(a is TypeConstructor, a::errorMessage)
-        require(b is TypeConstructor, b::errorMessage)
-        return areEqualTypeConstructors(a, b)
+    override fun areEqualTypeConstructors(c1: TypeConstructorMarker, c2: TypeConstructorMarker): Boolean {
+        require(c1 is TypeConstructor, c1::errorMessage)
+        require(c2 is TypeConstructor, c2::errorMessage)
+        return areEqualTypeConstructors(c1, c2)
     }
 
     open fun areEqualTypeConstructors(a: TypeConstructor, b: TypeConstructor): Boolean = when {
@@ -89,4 +89,4 @@ open class ClassicTypeCheckerContext(
 
 private fun Any.errorMessage(): String {
     return "ClassicTypeCheckerContext couldn't handle ${this::class} $this"
-}
+}

plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/ir/GeneratorHelpers.kt

@@ -94,7 +94,7 @@ interface IrBuilderExtension {
         irInvoke(
             dispatchReceiver,
             callee,
-            args = valueArguments.toTypedArray(),
+            *valueArguments.toTypedArray(),
             typeHint = returnTypeHint
         ).also { call -> typeArguments.forEachIndexed(call::putTypeArgument) }
 

plugins/kotlin-serialization/kotlin-serialization-compiler/src/org/jetbrains/kotlinx/serialization/compiler/backend/jvm/SerializerCodegenImpl.kt

@@ -372,7 +372,6 @@ open class SerializerCodegenImpl(
             for ((index, property) in serializableProperties.withIndex()) {
                 val propertyType = codegen.typeMapper.mapType(property.type)
                 if (!property.transient) {
-                    val propertyAddressInBitMask = bitMaskOff(index)
                     // labelI:
                     visitLabel(labels[labelNum + 1])
                     callReadProperty(property, propertyType, index, inputVar, descVar, propVar)