JVM_IR. Generate SMAP information for anonymous classes

#KT-28092 Fixed

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt

@@ -41,7 +41,8 @@ import java.io.File
 open class ClassCodegen protected constructor(
     internal val irClass: IrClass,
     val context: JvmBackendContext,
-    private val parentClassCodegen: ClassCodegen? = null
+    private val parentClassCodegen: ClassCodegen? = null,
+    private val withinInline: Boolean = false
 ) : InnerClassConsumer {
     private val innerClasses = mutableListOf<IrClass>()
 
@@ -74,6 +75,9 @@ open class ClassCodegen protected constructor(
         }
 
     fun generate(): ReifiedTypeParametersUsages {
+        if (withinInline) {
+            getOrCreateSourceMapper() //initialize default mapping that would be later written in class file
+        }
         val superClassInfo = irClass.getSuperClassInfo(typeMapper)
         val signature = getSignature(irClass, type, superClassInfo, typeMapper)
 
@@ -232,8 +236,8 @@ open class ClassCodegen protected constructor(
         }
     }
 
-    fun generateLocalClass(klass: IrClass): ReifiedTypeParametersUsages {
-        return ClassCodegen(klass, context, this).generate()
+    fun generateLocalClass(klass: IrClass, withinInline: Boolean): ReifiedTypeParametersUsages {
+        return ClassCodegen(klass, context, this, withinInline = withinInline || this.withinInline).generate()
     }
 
     private fun generateField(field: IrField) {

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt

@@ -576,9 +576,8 @@ class ExpressionCodegen(
                     "is not implemented, or it should have been lowered: ${element.render()}"
         )
 
-    // TODO maybe remove?
     override fun visitClass(declaration: IrClass, data: BlockInfo): PromisedValue {
-        classCodegen.generateLocalClass(declaration).also {
+        classCodegen.generateLocalClass(declaration, irFunction.isInline).also {
             closureReifiedMarkers[declaration] = it
         }
         return immaterialUnitValue