JVM_IR. Align outer parameter name generation between backends

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

@@ -805,6 +805,8 @@ public class FunctionCodegen {
             else if (kind == JvmMethodParameterKind.RECEIVER) {
                 parameterName = AsmUtil.getNameForReceiverParameter(
                         functionDescriptor, typeMapper.getBindingContext(), state.getLanguageVersionSettings());
+            } else if (kind == JvmMethodParameterKind.OUTER) {
+                parameterName = CAPTURED_THIS_FIELD; //should be 'this$X' depending on inner class nesting
             }
             else {
                 String lowercaseKind = kind.name().toLowerCase();

compiler/testData/codegen/asmLike/receiverMangling/inlineClassCapture.txt

@@ -1,10 +1,10 @@
 public final class Foo$Bar : java/lang/Object {
     final Foo this$0
 
-    public void <init>(Foo $outer) {
+    public void <init>(Foo this$0) {
         Local variables:
             0 this: LFoo$Bar;
-            1 $outer: LFoo;
+            1 this$0: LFoo;
     }
 
     public final void bar() {

compiler/testData/codegen/asmLike/receiverMangling/innerClass.txt

@@ -1,7 +1,7 @@
 public final class Foo$Bar : java/lang/Object {
     final Foo this$0
 
-    public void <init>(Foo $outer)
+    public void <init>(Foo this$0)
 }
 
 public final class Foo : java/lang/Object {

compiler/testData/codegen/asmLike/typeAnnotations/innerClassConstructor.txt

@@ -1,7 +1,7 @@
 public final class foo/Kotlin$Inner : java/lang/Object {
     final foo.Kotlin this$0
 
-    public void <init>(foo.Kotlin $outer, java.lang.String s)
+    public void <init>(foo.Kotlin this$0, java.lang.String s)
       @Lfoo/TypeAnn;([]) : METHOD_FORMAL_PARAMETER 0, null
 }
 

compiler/testData/codegen/asmLike/typeAnnotations/notYetSupported.txt

@@ -47,7 +47,7 @@ public final class foo/Kotlin : java/lang/Object {
 public final class foo/Outer$Inner : java/lang/Object {
     final foo.Outer this$0
 
-    public void <init>(foo.Outer $outer)
+    public void <init>(foo.Outer this$0)
 }
 
 public final class foo/Outer : java/lang/Object {

compiler/testData/codegen/asmLike/typeAnnotations/syntheticAccessors.txt

@@ -1,7 +1,7 @@
 public final class foo/Kotlin$A : java/lang/Object {
     final foo.Kotlin this$0
 
-    public void <init>(foo.Kotlin $outer)
+    public void <init>(foo.Kotlin this$0)
 
     public final void fooArray2()
 }