KT-2044 : "this" added in local variables table in bytecode for local functions also

compiler/backend/src/org/jetbrains/jet/codegen/CodegenUtil.java

@@ -69,6 +69,14 @@ public class CodegenUtil {
                 !(myClass.getParent() instanceof JetClassObject);
     }
 
+    public static boolean isLocalFun(DeclarationDescriptor fd, BindingContext bindingContext) {
+        PsiElement psiElement = BindingContextUtils.descriptorToDeclaration(bindingContext, fd);
+        if(psiElement instanceof JetNamedFunction && psiElement.getParent() instanceof JetBlockExpression) {
+            return true;
+        }
+        return false;
+    }
+
 
     public static boolean isNamedFun(DeclarationDescriptor fd, BindingContext bindingContext) {
         PsiElement psiElement = BindingContextUtils.descriptorToDeclaration(bindingContext, fd);

compiler/backend/src/org/jetbrains/jet/codegen/FunctionCodegen.java

@@ -244,8 +244,7 @@ public class FunctionCodegen {
                     // TODO: specify signature
                     mv.visitLocalVariable("this", type.getDescriptor(), null, methodBegin, methodEnd, k++);
                 }
-
-                if (fun instanceof JetFunctionLiteralExpression) {
+                else if (fun instanceof JetFunctionLiteralExpression || CodegenUtil.isLocalFun(functionDescriptor, state.getBindingContext())) {
                     Type type = state.getInjector().getJetTypeMapper().mapType(
                             context.getThisDescriptor().getDefaultType(), MapTypeMode.VALUE);
                     mv.visitLocalVariable("this", type.getDescriptor(), null, methodBegin, methodEnd, k++);

compiler/testData/checkLocalVariablesTable/namespace$foo$1.kt

@@ -0,0 +1,7 @@
+fun foo() {
+    fun bar()  {
+    }
+}
+
+// METHOD : invoke()V
+// VARIABLE : NAME=this TYPE=Lnamespace$foo$1; INDEX=0

compiler/testData/checkLocalVariablesTable/namespace$foo1$1.kt

@@ -0,0 +1,9 @@
+fun foo1() {
+    (1..5).forEach {
+        println(it)
+    }
+}
+
+// METHOD : invoke(I)V
+// VARIABLE : NAME=this TYPE=Lnamespace$foo1$1; INDEX=0
+// VARIABLE : NAME=it TYPE=I INDEX=1