FIR LT: Add box inline tests for FIR + LT (failing on SMAP so far)

compiler/backend/src/org/jetbrains/kotlin/codegen/inline/ObjectTransformer.kt

@@ -37,7 +37,7 @@ abstract class ObjectTransformer<out T : TransformationInfo>(@JvmField val trans
         val classBuilder = state.factory.newVisitor(
             JvmDeclarationOrigin.NO_ORIGIN,
             Type.getObjectType(transformationInfo.newClassName),
-            listOf(inliningContext.callSiteInfo.file!!)
+            listOfNotNull(inliningContext.callSiteInfo.file)
         )
 
         return RemappingClassBuilder(

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/runners/codegen/AbstractBlackBoxInlineCodegenTest.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.test.runners.codegen
 
 import org.jetbrains.kotlin.test.builders.TestConfigurationBuilder
+import org.jetbrains.kotlin.test.directives.FirDiagnosticsDirectives
 
 open class AbstractBlackBoxInlineCodegenTest : AbstractBlackBoxCodegenTest() {
     override fun configure(builder: TestConfigurationBuilder) {
@@ -27,3 +28,15 @@ open class AbstractFirBlackBoxInlineCodegenTest : AbstractFirBlackBoxCodegenTest
         builder.useInlineHandlers()
     }
 }
+
+open class AbstractFirLightTreeBlackBoxInlineCodegenTest : AbstractFirBlackBoxCodegenTest() {
+    override fun configure(builder: TestConfigurationBuilder) {
+        super.configure(builder)
+        with(builder) {
+            useInlineHandlers()
+            defaultDirectives {
+                +FirDiagnosticsDirectives.USE_LIGHT_TREE
+            }
+        }
+    }
+}

compiler/tests-for-compiler-generator/tests/org/jetbrains/kotlin/test/generators/GenerateJUnit5CompilerTests.kt

@@ -231,6 +231,10 @@ fun generateJUnit5CompilerTests(args: Array<String>) {
                 model("codegen/boxInline")
             }
 
+            testClass<AbstractFirLightTreeBlackBoxInlineCodegenTest> {
+                model("codegen/boxInline")
+            }
+
             testClass<AbstractFirSteppingTest> {
                 model("debug/stepping")
             }