[Wasm] Use non-persistent IR to speed up tests

compiler/ir/backend.wasm/build.gradle.kts

@@ -13,6 +13,7 @@ dependencies {
     compile(project(":compiler:ir.serialization.common"))
     compile(project(":compiler:ir.serialization.js"))
     compile(project(":compiler:ir.tree.persistent"))
+    compile(project(":compiler:ir.tree.impl"))
     compile(project(":js:js.ast"))
     compile(project(":js:js.frontend"))
     compile(project(":compiler:backend.js"))

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/WasmBackendContext.kt

@@ -23,8 +23,8 @@ import org.jetbrains.kotlin.ir.backend.js.lower.JsInnerClassesSupport
 import org.jetbrains.kotlin.ir.builders.declarations.buildFun
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.declarations.impl.IrExternalPackageFragmentImpl
+import org.jetbrains.kotlin.ir.declarations.impl.IrFactoryImpl
 import org.jetbrains.kotlin.ir.declarations.impl.IrFileImpl
-import org.jetbrains.kotlin.ir.declarations.persistent.PersistentIrFactory
 import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
 import org.jetbrains.kotlin.ir.symbols.impl.DescriptorlessExternalPackageFragmentSymbol
 import org.jetbrains.kotlin.ir.util.SymbolTable
@@ -43,7 +43,7 @@ class WasmBackendContext(
     override var inVerbosePhase: Boolean = false
     override val scriptMode = false
     override val extractedLocalClasses: MutableSet<IrClass> = hashSetOf()
-    override val irFactory: IrFactory = PersistentIrFactory
+    override val irFactory: IrFactory = IrFactoryImpl
 
     // Place to store declarations excluded from code generation
     private val excludedDeclarations = mutableMapOf<FqName, IrPackageFragment>()

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/compiler.kt

@@ -9,21 +9,20 @@ import com.intellij.openapi.project.Project
 import org.jetbrains.kotlin.analyzer.AbstractAnalyzerWithCompilerReport
 import org.jetbrains.kotlin.backend.common.phaser.PhaseConfig
 import org.jetbrains.kotlin.backend.common.phaser.invokeToplevel
-import org.jetbrains.kotlin.backend.wasm.ir2wasm.WasmModuleFragmentGenerator
 import org.jetbrains.kotlin.backend.wasm.ir2wasm.WasmCompiledModuleFragment
+import org.jetbrains.kotlin.backend.wasm.ir2wasm.WasmModuleFragmentGenerator
 import org.jetbrains.kotlin.backend.wasm.ir2wasm.generateStringLiteralsSupport
 import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.languageVersionSettings
 import org.jetbrains.kotlin.ir.backend.js.MainModule
 import org.jetbrains.kotlin.ir.backend.js.loadIr
-import org.jetbrains.kotlin.ir.declarations.persistent.PersistentIrFactory
+import org.jetbrains.kotlin.ir.declarations.impl.IrFactoryImpl
 import org.jetbrains.kotlin.ir.util.ExternalDependenciesGenerator
 import org.jetbrains.kotlin.ir.util.generateTypicalIrProviderList
 import org.jetbrains.kotlin.ir.util.patchDeclarationParents
 import org.jetbrains.kotlin.library.KotlinLibrary
 import org.jetbrains.kotlin.library.resolver.KotlinLibraryResolveResult
 import org.jetbrains.kotlin.name.FqName
-import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.wasm.ir.convertors.WasmIrToBinary
 import org.jetbrains.kotlin.wasm.ir.convertors.WasmIrToText
 import java.io.ByteArrayOutputStream
@@ -43,7 +42,7 @@ fun compileWasm(
     val (moduleFragment, dependencyModules, irBuiltIns, symbolTable, deserializer) =
         loadIr(
             project, mainModule, analyzer, configuration, allDependencies, friendDependencies,
-            PersistentIrFactory
+            IrFactoryImpl
         )
 
     val allModules = when (mainModule) {