[FIR] Don't create FirDependenciesSymbolProvider without need

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirAbstractSessionFactory.kt

@@ -91,7 +91,7 @@ abstract class FirAbstractSessionFactory {
         createProviders: (
             FirSession, FirKotlinScopeProvider, FirSymbolProvider,
             FirSwitchableExtensionDeclarationsSymbolProvider?,
-            FirDependenciesSymbolProviderImpl
+            FirDependenciesSymbolProvider
         ) -> List<FirSymbolProvider>
     ): FirSession {
         return FirCliSession(sessionProvider, FirSession.Kind.Source).apply session@{
@@ -129,11 +129,7 @@ abstract class FirAbstractSessionFactory {
             register(FirSymbolProvider::class, FirCompositeSymbolProvider(this, providers))
 
             generatedSymbolsProvider?.let { register(FirSwitchableExtensionDeclarationsSymbolProvider::class, it) }
-
-            register(
-                FirDependenciesSymbolProvider::class,
-                dependenciesSymbolProvider
-            )
+            register(FirDependenciesSymbolProvider::class, dependenciesSymbolProvider)
         }
     }
 }

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirSessionFactory.kt

@@ -115,7 +115,6 @@ object FirSessionFactory : FirAbstractSessionFactory() {
                     ),
                     FirBuiltinSymbolProvider(session, builtinsModuleData, kotlinScopeProvider),
                     FirCloneableSymbolProvider(session, builtinsModuleData, kotlinScopeProvider),
-                    FirDependenciesSymbolProviderImpl(session),
                     OptionalAnnotationClassesProvider(session, dependencyList.moduleDataProvider, kotlinScopeProvider, packagePartProvider)
                 )
             }

compiler/fir/providers/src/org/jetbrains/kotlin/fir/resolve/providers/impl/FirDependenciesSymbolProviderImpl.kt

@@ -31,7 +31,8 @@ open class FirDependenciesSymbolProviderImpl(session: FirSession) : FirDependenc
 
 
     protected open val dependencyProviders by lazy {
-        val moduleData = session.nullableModuleData ?: return@lazy emptyList()
+        val moduleData =
+            session.nullableModuleData ?: error("FirDependenciesSymbolProvider should not be created if there are no dependencies")
         (moduleData.dependencies + moduleData.friendDependencies + moduleData.dependsOnDependencies)
             .mapNotNull { session.sessionProvider?.getSession(it) }
             .sortedBy { it.kind }

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/fir/FirJsSessionFactory.kt

@@ -16,7 +16,6 @@ import org.jetbrains.kotlin.fir.java.FirProjectSessionProvider
 import org.jetbrains.kotlin.fir.resolve.calls.ConeCallConflictResolverFactory
 import org.jetbrains.kotlin.fir.resolve.providers.impl.FirBuiltinSymbolProvider
 import org.jetbrains.kotlin.fir.resolve.providers.impl.FirCloneableSymbolProvider
-import org.jetbrains.kotlin.fir.resolve.providers.impl.FirDependenciesSymbolProviderImpl
 import org.jetbrains.kotlin.fir.scopes.FirKotlinScopeProvider
 import org.jetbrains.kotlin.fir.scopes.FirPlatformClassMapper
 import org.jetbrains.kotlin.fir.session.FirAbstractSessionFactory
@@ -49,7 +48,6 @@ object FirJsSessionFactory : FirAbstractSessionFactory() {
                 listOf(
                     FirBuiltinSymbolProvider(session, builtinsModuleData, kotlinScopeProvider),
                     FirCloneableSymbolProvider(session, builtinsModuleData, kotlinScopeProvider),
-                    FirDependenciesSymbolProviderImpl(session),
                 ) + resolveJsLibraries(module, testServices, configuration).map {
                     KlibBasedSymbolProvider(session, moduleDataProvider, kotlinScopeProvider, it)
                 }

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/fir/FirNativeSessionFactory.kt

@@ -14,7 +14,6 @@ import org.jetbrains.kotlin.fir.java.FirProjectSessionProvider
 import org.jetbrains.kotlin.fir.resolve.calls.ConeCallConflictResolverFactory
 import org.jetbrains.kotlin.fir.resolve.providers.impl.FirBuiltinSymbolProvider
 import org.jetbrains.kotlin.fir.resolve.providers.impl.FirCloneableSymbolProvider
-import org.jetbrains.kotlin.fir.resolve.providers.impl.FirDependenciesSymbolProviderImpl
 import org.jetbrains.kotlin.fir.scopes.FirKotlinScopeProvider
 import org.jetbrains.kotlin.fir.scopes.FirPlatformClassMapper
 import org.jetbrains.kotlin.fir.session.FirAbstractSessionFactory
@@ -40,7 +39,6 @@ object FirNativeSessionFactory : FirAbstractSessionFactory() {
                 listOf(
                     FirBuiltinSymbolProvider(session, builtinsModuleData, kotlinScopeProvider),
                     FirCloneableSymbolProvider(session, builtinsModuleData, kotlinScopeProvider),
-                    FirDependenciesSymbolProviderImpl(session),
                 )
             })
     }