Control flow changes for secondary constructors

compiler/testData/cfg/secondaryConstructors/withPrimary.kt

@@ -0,0 +1,25 @@
+class A(val w: Char) {
+    val x: Int
+    var y: Int
+    val z: Int
+    val v = -1
+
+    constructor(): this('a') {
+        y = 2
+    }
+
+    // anonymous
+    init {
+        x = w
+        z = 8
+    }
+
+    constructor(a: Int, b: Int = 3): this(b.toChar()) {
+        y = x
+    }
+
+    // anonymous
+    init {
+        y = 9
+    }
+}