Old JVM: support init blocks in inline classes

#KT-28055 Fixed

compiler/testData/codegen/bytecodeText/inlineClasses/boxThisOfInlineClass.kt

@@ -13,8 +13,18 @@ inline class UInt(val a: Int) {
 
 fun takeNullable(a: UInt?) {}
 
-// 2 INVOKESTATIC UInt\.box
-// 0 INVOKEVIRTUAL Foo.unbox
-
 // 1 valueOf
-// 0 intValue
+// 0 intValue
+
+// JVM_TEMPLATES:
+// 2 INVOKESTATIC UInt\.box
+// -- equals-impl
+// 1 INVOKEVIRTUAL UInt\.unbox
+
+// JVM_IR_TEMPLATES:
+// -- 1 before takeNullable
+// -- 1 before takeAnyInside
+// -- 1 before takeAnyInside's GETFIELD
+// 3 INVOKESTATIC UInt\.box
+// -- getA, toString, hashCode, equals-impl, equals
+// 5 INVOKEVIRTUAL UInt\.unbox