Analysis: add LC testdata with current behaviour

compiler/testData/asJava/lightClasses/ideRegression/OverridingInternal.fir.java

@@ -0,0 +1,14 @@
+public final class C /* p.C*/ {
+  private final int ip;
+
+  public  C();//  .ctor()
+
+  public int <no name provided>();//  <no name provided>()
+
+  public int af();//  af()
+
+  public int getAp();//  getAp()
+
+  public int getIp();//  getIp()
+
+}