[FIR] Get rid of all usages of cast in FIR modules

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirExpectActualDeclarationChecker.kt

@@ -26,7 +26,6 @@ import org.jetbrains.kotlin.fir.types.coneType
 import org.jetbrains.kotlin.fir.types.toSymbol
 import org.jetbrains.kotlin.resolve.multiplatform.ExpectActualCompatibility
 import org.jetbrains.kotlin.resolve.multiplatform.ExpectActualCompatibility.*
-import org.jetbrains.kotlin.utils.addToStdlib.cast
 import org.jetbrains.kotlin.utils.addToStdlib.firstIsInstanceOrNull
 
 @Suppress("DuplicatedCode")
@@ -94,7 +93,14 @@ object FirExpectActualDeclarationChecker : FirBasicDeclarationChecker() {
             }
 
             Compatible !in compatibilityToMembersMap -> {
-                reporter.reportOn(source, FirErrors.ACTUAL_WITHOUT_EXPECT, symbol, compatibilityToMembersMap.cast(), context)
+                @Suppress("UNCHECKED_CAST")
+                reporter.reportOn(
+                    source,
+                    FirErrors.ACTUAL_WITHOUT_EXPECT,
+                    symbol,
+                    compatibilityToMembersMap as Map<Incompatible<FirBasedSymbol<*>>, Collection<FirBasedSymbol<*>>>,
+                    context
+                )
             }
 
             else -> {

compiler/fir/providers/src/org/jetbrains/kotlin/fir/types/ConeInferenceContext.kt

@@ -29,7 +29,6 @@ import org.jetbrains.kotlin.types.AbstractTypeRefiner
 import org.jetbrains.kotlin.types.TypeCheckerState
 import org.jetbrains.kotlin.types.model.*
 import org.jetbrains.kotlin.utils.DFS
-import org.jetbrains.kotlin.utils.addToStdlib.cast
 
 interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeContext {
 
@@ -260,10 +259,11 @@ interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeCo
     ): CapturedTypeMarker {
         require(lowerType is ConeKotlinType?)
         require(constructorProjection is ConeTypeProjection)
+        @Suppress("UNCHECKED_CAST")
         return ConeCapturedType(
             captureStatus,
             lowerType,
-            constructor = ConeCapturedTypeConstructor(constructorProjection, constructorSupertypes.cast())
+            constructor = ConeCapturedTypeConstructor(constructorProjection, constructorSupertypes as List<ConeKotlinType>)
         )
     }
 
@@ -284,7 +284,8 @@ interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeCo
 
     override fun SimpleTypeMarker.replaceArguments(newArguments: List<TypeArgumentMarker>): SimpleTypeMarker {
         require(this is ConeKotlinType)
-        return this.withArguments(newArguments.cast<List<ConeTypeProjection>>().toTypedArray())
+        @Suppress("UNCHECKED_CAST")
+        return this.withArguments((newArguments as List<ConeTypeProjection>).toTypedArray())
     }
 
     override fun SimpleTypeMarker.replaceArguments(replacement: (TypeArgumentMarker) -> TypeArgumentMarker): SimpleTypeMarker {
@@ -506,7 +507,7 @@ interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeCo
     }
 
     override fun KotlinTypeMarker.extractArgumentsForFunctionalTypeOrSubtype(): List<KotlinTypeMarker> {
-        val builtInFunctionalType = getFunctionalTypeFromSupertypes().cast<ConeKotlinType>()
+        val builtInFunctionalType = getFunctionalTypeFromSupertypes() as ConeKotlinType
         return buildList {
             // excluding return type
             for (index in 0 until builtInFunctionalType.argumentsCount() - 1) {
@@ -529,7 +530,7 @@ interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeCo
                 var functionalSupertype: KotlinTypeMarker? = null
                 simpleType.anySuperTypeConstructor { type ->
                     simpleType.fastCorrespondingSupertypes(type.typeConstructor())?.any { superType ->
-                        val isFunctional = superType.cast<ConeKotlinType>().isBuiltinFunctionalType(session)
+                        val isFunctional = (superType as ConeKotlinType).isBuiltinFunctionalType(session)
                         if (isFunctional)
                             functionalSupertype = superType
                         isFunctional

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/ConstraintSystemCompleter.kt

@@ -35,7 +35,6 @@ import org.jetbrains.kotlin.types.model.KotlinTypeMarker
 import org.jetbrains.kotlin.types.model.TypeConstructorMarker
 import org.jetbrains.kotlin.types.model.TypeVariableMarker
 import org.jetbrains.kotlin.utils.addIfNotNull
-import org.jetbrains.kotlin.utils.addToStdlib.cast
 import org.jetbrains.kotlin.utils.addToStdlib.filterIsInstanceWithChecker
 
 class ConstraintSystemCompleter(components: BodyResolveComponents, private val context: BodyResolveContext) {
@@ -220,8 +219,9 @@ class ConstraintSystemCompleter(components: BodyResolveComponents, private val c
         resolutionContext: ResolutionContext,
         argument: PostponedAtomWithRevisableExpectedType,
     ): Boolean = with(c) {
-        val revisedExpectedType: ConeKotlinType =
-            argument.revisedExpectedType?.takeIf { it.isFunctionOrKFunctionWithAnySuspendability() }?.cast() ?: return false
+        val revisedExpectedType = argument.revisedExpectedType
+            ?.takeIf { it.isFunctionOrKFunctionWithAnySuspendability() } as ConeKotlinType?
+            ?: return false
 
         when (argument) {
             is ResolvedCallableReferenceAtom ->