[JVM_IR] Fix stepping behavior for assignments to local variables.

compiler/testData/debug/stepping/simpleDefaultArgWithInline.kt

@@ -1,15 +1,32 @@
-// IGNORE_BACKEND: JVM_IR
 // FILE: test.kt
+
 inline fun ifoo(ok: String = "OK"): String {
     return ok
 }
 
-fun box(): String {
-    return ifoo()
+fun ifoo2(ok: String = "OK"): String {
+    return ok
 }
-// TODO: IR Backend behaves like simpleDefaultArg: 8,3,4, _3_ ,8
+
+fun box(): String {
+    ifoo()
+    return ifoo2()
+}
+
+// JVM_IR backend has the same stepping behavior as
+// the non-inlined case when using force step into to step
+// through $default method. JVM does not.
+
+// FORCE_STEP_INTO
 // LINENUMBERS
-// test.kt:8 box
+// test.kt:12 box
 // test.kt:3 box
 // test.kt:4 box
-// test.kt:8 box
+// LINENUMBERS JVM_IR
+// test.kt:3 box
+// LINENUMBERS
+// test.kt:13 box
+// test.kt:7 ifoo2$default (synthetic)
+// test.kt:8 ifoo2
+// test.kt:7 ifoo2$default (synthetic)
+// test.kt:13 box