KT-3573 "Error generating primary constructor" when trying to use "this" in extensions from constructors

#KT-3573 Fixed

compiler/testData/codegen/box/functions/kt3573.kt

@@ -0,0 +1,12 @@
+class Data
+
+fun newInit(f: Data.() -> Data) = Data().f()
+
+class TestClass {
+    val test: Data = newInit()  { this }
+}
+
+fun box() : String {
+    TestClass()
+    return "OK"
+}

compiler/testData/codegen/box/functions/kt3724.kt

@@ -0,0 +1,24 @@
+class Comment() {
+    var article = ""
+}
+
+fun new(body: Comment.() -> Unit) : Comment {
+    val c = Comment()
+    c.body()
+    return c
+}
+
+open class Request(val handler : Any.() -> Comment) {
+    val s = handler().article
+}
+
+
+class A : Request ({
+   new {
+       this.article = "OK"
+   }
+})
+
+fun box() : String {
+    return A().s
+}