Analysis: add LC testdata with current behaviour

compiler/testData/asJava/ultraLightClasses/jvmSynthetic.fir.java

@@ -0,0 +1,30 @@
+public final class A /* A*/ {
+  @<error>()
+  @<error>()
+  private int y;
+
+  @<error>()
+  private int x;
+
+  private int z;
+
+  @<error>()
+  public final int getZ();//  getZ()
+
+  @<error>()
+  public final void foo();//  foo()
+
+  @<error>()
+  public final void setZ(int);//  setZ(int)
+
+  public  A();//  .ctor()
+
+  public final int getX();//  getX()
+
+  public final int getY();//  getY()
+
+  public final void setX(int);//  setX(int)
+
+  public final void setY(int);//  setY(int)
+
+}