KT-12152 : constructor consistency: handle non-final classes

compiler/testData/diagnostics/tests/constructorConsistency/open.kt

@@ -0,0 +1,34 @@
+open class Base {
+    init {
+        register(<!DEBUG_INFO_LEAKING_THIS!>this<!>)
+        <!DEBUG_INFO_LEAKING_THIS!>foo<!>()
+    }
+
+    open fun foo() {}
+}
+
+fun register(arg: Base) {
+    arg.foo()
+}
+
+class Derived(val x: Int) : Base() {
+    override fun foo() {
+        x.hashCode() // NPE in Base constructor
+    }
+}
+
+enum class MyEnum {
+    FIRST() {
+        val x: Int = 42
+
+        override fun foo() {
+            x.hashCode() // NPE in MyEnum constructor
+        }
+    };
+
+    init {
+        <!DEBUG_INFO_LEAKING_THIS!>foo<!>()
+    }
+
+    abstract fun foo()
+}

compiler/testData/diagnostics/tests/constructorConsistency/open.txt

@@ -0,0 +1,40 @@
+package
+
+public fun register(/*0*/ arg: Base): kotlin.Unit
+
+public open class Base {
+    public constructor Base()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open fun foo(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Derived : Base {
+    public constructor Derived(/*0*/ x: kotlin.Int)
+    public final val x: kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ fun foo(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final enum class MyEnum : kotlin.Enum<MyEnum> {
+    enum entry FIRST
+
+    private constructor MyEnum()
+    public final override /*1*/ /*fake_override*/ val name: kotlin.String
+    public final override /*1*/ /*fake_override*/ val ordinal: kotlin.Int
+    protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: MyEnum): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    protected/*protected and package*/ final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun finalize(): kotlin.Unit
+    public abstract fun foo(): kotlin.Unit
+    public final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun getDeclaringClass(): java.lang.Class<MyEnum!>!
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): MyEnum
+    public final /*synthesized*/ fun values(): kotlin.Array<MyEnum>
+}