Mark lineNumbers for synthetic accessors

idea/testData/debugger/tinyApp/outs/accessors.out

@@ -0,0 +1,20 @@
+LineBreakpoint created at accessors.kt:10
+!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !APP_PATH!\classes;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! accessors.AccessorsPackage
+Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+accessors.kt:10
+accessors.kt:17
+accessors.kt:18
+accessors.kt:15
+accessors.kt:11
+accessors.kt:22
+accessors.kt:15
+accessors.kt:11
+accessors.kt:12
+accessors.kt:25
+accessors.kt:26
+accessors.kt:15
+accessors.kt:13
+accessors.kt:5
+Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+
+Process finished with exit code 0

idea/testData/debugger/tinyApp/src/stepInto/stepInto/accessors.kt

@@ -0,0 +1,30 @@
+package accessors
+
+fun main(args: Array<String>) {
+    A().test()
+}
+
+class A {
+    fun test() {
+        //Breakpoint!
+        foo()
+        prop
+        prop = 2
+    }
+
+    class object {
+        private fun foo() {
+            val a = 1
+        }
+
+        private var prop: Int = 2
+            get() {
+                return 1
+            }
+            set(i: Int) {
+                $prop = i
+            }
+    }
+}
+
+// STEP_INTO: 13