JVM IR: Fix handling of anonymous initializers in inline classes (#4372)

Fixes KT-46554

compiler/testData/codegen/box/inlineClasses/boxImplDoesNotExecuteInSecondaryConstructor.kt

@@ -0,0 +1,21 @@
+inline class IC private constructor(val i: Int) {
+    @Suppress("SECONDARY_CONSTRUCTOR_WITH_BODY_INSIDE_INLINE_CLASS")
+    constructor() : this(0) {
+        counter += 1
+    }
+}
+
+var counter = 0
+
+fun <T> id(t: T) = t
+
+fun box(): String {
+    val ic = IC()
+    if (counter != 1) return "FAIL 1: $counter"
+    counter = 0
+
+    id(ic)
+    if (counter != 0) return "FAIL 2: $counter"
+
+    return "OK"
+}

compiler/testData/codegen/box/inlineClasses/classInInlineClassInit.kt

@@ -0,0 +1,17 @@
+var result = "Fail"
+
+inline class A(val value: String) {
+    init {
+        class B {
+            init {
+                result = value
+            }
+        }
+        B()
+    }
+}
+
+fun box(): String {
+    A("OK")
+    return result
+}

compiler/testData/codegen/box/inlineClasses/inlineClassFieldHandling.kt

@@ -0,0 +1,14 @@
+var result = "Fail"
+
+inline class A(val value: String)
+
+inline class B(val a: A) {
+    init {
+        result = a.value
+    }
+}
+
+fun box(): String {
+    B(A("OK"))
+    return result
+}

compiler/testData/codegen/box/inlineClasses/inlineClassInInitBlock.kt

@@ -0,0 +1,16 @@
+var result = "Fail"
+
+inline class A(val value: String) {
+    fun f() = value + "K"
+}
+
+class B(val a: A) {
+    val result: String
+    init {
+        result = a.f()
+    }
+}
+
+fun box(): String {
+    return B(A("O")).result
+}

compiler/testData/codegen/box/inlineClasses/kt46554.kt

@@ -0,0 +1,14 @@
+var result = "Fail"
+
+inline class A(val value: String) {
+    constructor() : this("OK")
+
+    init {
+        result = value
+    }
+}
+
+fun box(): String {
+    A()
+    return result
+}