Introduce support for plugin-defined intrinsics in JVM IR backend:

Add intrinsic for kotlinx.serialization.serializer<T>() function.

Plugin intrinsic for old backend is removed because it is too hard
and unjustifiable to unify them.

plugins/kotlinx-serialization/testData/codegen/Intrinsics.ir.txt

@@ -74,313 +74,116 @@ public final class IntrinsicsKt : java/lang/Object {
     public final static kotlinx.serialization.KSerializer listSer()
 
     public final static void test() {
+          GETSTATIC (Simple, Companion, LSimple$Companion;)
+          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          POP
         LABEL (L0)
-        LINENUMBER (28)
-          ICONST_0
-          ISTORE (0)
-        LABEL (L1)
-          LDC (LSimple;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-        LABEL (L2)
-        LINENUMBER (50)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (1)
-        LABEL (L3)
-          ICONST_0
-          ISTORE (2)
-        LABEL (L4)
-        LINENUMBER (51)
-          ALOAD (1)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L5)
-        LINENUMBER (50)
-          NOP
-        LABEL (L6)
         LINENUMBER (29)
           ICONST_0
           ISTORE (0)
-        LABEL (L7)
-        LINENUMBER (52)
-          ICONST_0
-          ISTORE (1)
-        LABEL (L8)
-          LDC (LSimple;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-        LABEL (L9)
-        LINENUMBER (53)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (2)
-        LABEL (L10)
-          ICONST_0
-          ISTORE (3)
-        LABEL (L11)
-        LINENUMBER (54)
-          ALOAD (2)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L12)
-        LINENUMBER (53)
+        LABEL (L1)
+          GETSTATIC (Simple, Companion, LSimple$Companion;)
+          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+        LABEL (L2)
+        LINENUMBER (44)
           NOP
-        LABEL (L13)
-        LINENUMBER (52)
-          NOP
-        LABEL (L14)
+        LABEL (L3)
+          POP
+        LABEL (L4)
         LINENUMBER (30)
           ICONST_0
           ISTORE (0)
-        LABEL (L15)
-        LINENUMBER (55)
-          ICONST_0
-          ISTORE (1)
-        LABEL (L16)
-          LDC (LBox;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (LSimple;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-        LABEL (L17)
-        LINENUMBER (56)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (2)
-        LABEL (L18)
-          ICONST_0
-          ISTORE (3)
-        LABEL (L19)
-        LINENUMBER (57)
-          ALOAD (2)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L20)
-        LINENUMBER (56)
+        LABEL (L5)
+          GETSTATIC (Box, Companion, LBox$Companion;)
+          GETSTATIC (Simple, Companion, LSimple$Companion;)
+          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
+        LABEL (L6)
+        LINENUMBER (45)
           NOP
-        LABEL (L21)
-        LINENUMBER (55)
-          NOP
-        LABEL (L22)
+        LABEL (L7)
+          POP
+        LABEL (L8)
         LINENUMBER (31)
           ICONST_0
           ISTORE (0)
-        LABEL (L23)
-        LINENUMBER (58)
-          ICONST_0
-          ISTORE (1)
-        LABEL (L24)
-          LDC (LBox;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (LSimple;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-        LABEL (L25)
-        LINENUMBER (59)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (2)
-        LABEL (L26)
-          ICONST_0
-          ISTORE (3)
-        LABEL (L27)
-        LINENUMBER (60)
-          ALOAD (2)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L28)
-        LINENUMBER (59)
+        LABEL (L9)
+          GETSTATIC (Box, Companion, LBox$Companion;)
+          GETSTATIC (Simple, Companion, LSimple$Companion;)
+          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
+        LABEL (L10)
+        LINENUMBER (46)
           NOP
-        LABEL (L29)
-        LINENUMBER (58)
-          NOP
-        LABEL (L30)
+        LABEL (L11)
+          POP
+        LABEL (L12)
         LINENUMBER (32)
           ICONST_0
           ISTORE (0)
-        LABEL (L31)
-        LINENUMBER (61)
-          ICONST_0
-          ISTORE (1)
-        LABEL (L32)
-          LDC (Ljava/util/List;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (LSimple;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-        LABEL (L33)
-        LINENUMBER (62)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (2)
-        LABEL (L34)
-          ICONST_0
-          ISTORE (3)
-        LABEL (L35)
-        LINENUMBER (63)
-          ALOAD (2)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L36)
-        LINENUMBER (62)
+        LABEL (L13)
+          NEW (kotlinx/serialization/internal/ArrayListSerializer)
+          DUP
+          GETSTATIC (Simple, Companion, LSimple$Companion;)
+          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
+        LABEL (L14)
+        LINENUMBER (47)
           NOP
-        LABEL (L37)
-        LINENUMBER (61)
-          NOP
-        LABEL (L38)
-        LINENUMBER (34)
-          ICONST_0
-          ISTORE (0)
-        LABEL (L39)
-          LDC (LBox;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (Ljava/util/List;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (LSimple;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-        LABEL (L40)
-        LINENUMBER (64)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (1)
-        LABEL (L41)
-          ICONST_0
-          ISTORE (2)
-        LABEL (L42)
-        LINENUMBER (65)
-          ALOAD (1)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L43)
-        LINENUMBER (64)
-          NOP
-        LABEL (L44)
+        LABEL (L15)
+          POP
+          GETSTATIC (Box, Companion, LBox$Companion;)
+          NEW (kotlinx/serialization/internal/ArrayListSerializer)
+          DUP
+          GETSTATIC (Simple$$serializer, INSTANCE, LSimple$$serializer;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
+          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
+          POP
+        LABEL (L16)
         LINENUMBER (36)
           ICONST_0
           ISTORE (0)
-        LABEL (L45)
-        LINENUMBER (66)
-          ICONST_0
-          ISTORE (1)
-        LABEL (L46)
-          LDC (Ljava/util/List;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (LBox;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (Ljava/util/List;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (LSimple;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-        LABEL (L47)
-        LINENUMBER (67)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (2)
-        LABEL (L48)
-          ICONST_0
-          ISTORE (3)
-        LABEL (L49)
-        LINENUMBER (68)
-          ALOAD (2)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L50)
-        LINENUMBER (67)
+        LABEL (L17)
+          NEW (kotlinx/serialization/internal/ArrayListSerializer)
+          DUP
+          GETSTATIC (Box, Companion, LBox$Companion;)
+          NEW (kotlinx/serialization/internal/ArrayListSerializer)
+          DUP
+          GETSTATIC (Simple$$serializer, INSTANCE, LSimple$$serializer;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
+          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
+          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
+        LABEL (L18)
+        LINENUMBER (48)
           NOP
-        LABEL (L51)
-        LINENUMBER (66)
-          NOP
-        LABEL (L52)
-        LINENUMBER (38)
-          ICONST_0
-          ISTORE (0)
-        LABEL (L53)
-          GETSTATIC (java/lang/Integer, TYPE, Ljava/lang/Class;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-        LABEL (L54)
-        LINENUMBER (69)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (1)
-        LABEL (L55)
-          ICONST_0
-          ISTORE (2)
-        LABEL (L56)
-        LINENUMBER (70)
-          ALOAD (1)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L57)
-        LINENUMBER (69)
-          NOP
-        LABEL (L58)
-        LINENUMBER (40)
-          ICONST_0
-          ISTORE (0)
-        LABEL (L59)
-          LDC (LSerializableObject;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-        LABEL (L60)
-        LINENUMBER (71)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (1)
-        LABEL (L61)
-          ICONST_0
-          ISTORE (2)
-        LABEL (L62)
-        LINENUMBER (72)
-          ALOAD (1)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L63)
-        LINENUMBER (71)
-          NOP
-        LABEL (L64)
+        LABEL (L19)
+          POP
+          GETSTATIC (kotlinx/serialization/internal/IntSerializer, INSTANCE, Lkotlinx/serialization/internal/IntSerializer;)
+          POP
+          GETSTATIC (SerializableObject, INSTANCE, LSerializableObject;)
+          INVOKEVIRTUAL (SerializableObject, serializer, ()Lkotlinx/serialization/KSerializer;)
+          POP
+        LABEL (L20)
         LINENUMBER (42)
           ICONST_0
           ISTORE (0)
-        LABEL (L65)
-        LINENUMBER (73)
-          ICONST_0
-          ISTORE (1)
-        LABEL (L66)
-          LDC (Ljava/util/List;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (Ljava/util/List;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          LDC (LBox;)
-          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
-          GETSTATIC (java/lang/Integer, TYPE, Ljava/lang/Class;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
-        LABEL (L67)
-        LINENUMBER (74)
-          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
-          ASTORE (2)
-        LABEL (L68)
-          ICONST_0
-          ISTORE (3)
-        LABEL (L69)
-        LINENUMBER (75)
-          ALOAD (2)
-          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
-          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
-        LABEL (L70)
-        LINENUMBER (74)
+        LABEL (L21)
+          NEW (kotlinx/serialization/internal/ArrayListSerializer)
+          DUP
+          NEW (kotlinx/serialization/internal/ArrayListSerializer)
+          DUP
+          NEW (Box$$serializer)
+          DUP
+          GETSTATIC (kotlinx/serialization/internal/IntSerializer, INSTANCE, Lkotlinx/serialization/internal/IntSerializer;)
+          INVOKESPECIAL (Box$$serializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
+          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
+          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
+        LABEL (L22)
+        LINENUMBER (49)
           NOP
-        LABEL (L71)
-        LINENUMBER (73)
-          NOP
-        LABEL (L72)
+        LABEL (L23)
+          POP
+        LABEL (L24)
         LINENUMBER (43)
           RETURN
     }
@@ -462,4 +265,4 @@ public final class Simple : java/lang/Object {
     public final java.lang.String getLastName()
 
     public final static void write$Self(Simple self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc)
-}
+}

plugins/kotlinx-serialization/testData/codegen/Intrinsics.txt

@@ -70,114 +70,311 @@ public final class IntrinsicsKt : java/lang/Object {
     public final static void test() {
         LABEL (L0)
         LINENUMBER (28)
-          GETSTATIC (Simple, Companion, LSimple$Companion;)
-          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
-          POP
+          ICONST_0
+          ISTORE (0)
         LABEL (L1)
+          LDC (LSimple;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+        LABEL (L2)
+        LINENUMBER (50)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (1)
+        LABEL (L3)
+          ICONST_0
+          ISTORE (2)
+        LABEL (L4)
+        LINENUMBER (51)
+          ALOAD (1)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L5)
+        LINENUMBER (50)
+          NOP
+        LABEL (L6)
         LINENUMBER (29)
           ICONST_0
           ISTORE (0)
-        LABEL (L2)
-        LINENUMBER (44)
-          GETSTATIC (Simple, Companion, LSimple$Companion;)
-          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
-        LABEL (L3)
-          POP
-        LABEL (L4)
+        LABEL (L7)
+        LINENUMBER (52)
+          ICONST_0
+          ISTORE (1)
+        LABEL (L8)
+          LDC (LSimple;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+        LABEL (L9)
+        LINENUMBER (53)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (2)
+        LABEL (L10)
+          ICONST_0
+          ISTORE (3)
+        LABEL (L11)
+        LINENUMBER (54)
+          ALOAD (2)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L12)
+        LINENUMBER (53)
+          NOP
+        LABEL (L13)
+        LINENUMBER (52)
+          NOP
+        LABEL (L14)
         LINENUMBER (30)
           ICONST_0
           ISTORE (0)
-        LABEL (L5)
-        LINENUMBER (45)
-          GETSTATIC (Box, Companion, LBox$Companion;)
-          GETSTATIC (Simple, Companion, LSimple$Companion;)
-          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
-          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
-        LABEL (L6)
-          POP
-        LABEL (L7)
+        LABEL (L15)
+        LINENUMBER (55)
+          ICONST_0
+          ISTORE (1)
+        LABEL (L16)
+          LDC (LBox;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (LSimple;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+        LABEL (L17)
+        LINENUMBER (56)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (2)
+        LABEL (L18)
+          ICONST_0
+          ISTORE (3)
+        LABEL (L19)
+        LINENUMBER (57)
+          ALOAD (2)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L20)
+        LINENUMBER (56)
+          NOP
+        LABEL (L21)
+        LINENUMBER (55)
+          NOP
+        LABEL (L22)
         LINENUMBER (31)
           ICONST_0
           ISTORE (0)
-        LABEL (L8)
-        LINENUMBER (46)
-          GETSTATIC (Box, Companion, LBox$Companion;)
-          GETSTATIC (Simple, Companion, LSimple$Companion;)
-          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
-          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
-        LABEL (L9)
-          POP
-        LABEL (L10)
+        LABEL (L23)
+        LINENUMBER (58)
+          ICONST_0
+          ISTORE (1)
+        LABEL (L24)
+          LDC (LBox;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (LSimple;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+        LABEL (L25)
+        LINENUMBER (59)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (2)
+        LABEL (L26)
+          ICONST_0
+          ISTORE (3)
+        LABEL (L27)
+        LINENUMBER (60)
+          ALOAD (2)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L28)
+        LINENUMBER (59)
+          NOP
+        LABEL (L29)
+        LINENUMBER (58)
+          NOP
+        LABEL (L30)
         LINENUMBER (32)
           ICONST_0
           ISTORE (0)
-        LABEL (L11)
-        LINENUMBER (47)
-          NEW (kotlinx/serialization/internal/ArrayListSerializer)
-          DUP
-          GETSTATIC (Simple, Companion, LSimple$Companion;)
-          INVOKEVIRTUAL (Simple$Companion, serializer, ()Lkotlinx/serialization/KSerializer;)
-          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
-        LABEL (L12)
-          POP
-        LABEL (L13)
+        LABEL (L31)
+        LINENUMBER (61)
+          ICONST_0
+          ISTORE (1)
+        LABEL (L32)
+          LDC (Ljava/util/List;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (LSimple;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+        LABEL (L33)
+        LINENUMBER (62)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (2)
+        LABEL (L34)
+          ICONST_0
+          ISTORE (3)
+        LABEL (L35)
+        LINENUMBER (63)
+          ALOAD (2)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L36)
+        LINENUMBER (62)
+          NOP
+        LABEL (L37)
+        LINENUMBER (61)
+          NOP
+        LABEL (L38)
         LINENUMBER (34)
-          GETSTATIC (Box, Companion, LBox$Companion;)
-          NEW (kotlinx/serialization/internal/ArrayListSerializer)
-          DUP
-          GETSTATIC (Simple$$serializer, INSTANCE, LSimple$$serializer;)
-          CHECKCAST (kotlinx/serialization/KSerializer)
-          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
-          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
-          POP
-        LABEL (L14)
+          ICONST_0
+          ISTORE (0)
+        LABEL (L39)
+          LDC (LBox;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (Ljava/util/List;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (LSimple;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+        LABEL (L40)
+        LINENUMBER (64)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (1)
+        LABEL (L41)
+          ICONST_0
+          ISTORE (2)
+        LABEL (L42)
+        LINENUMBER (65)
+          ALOAD (1)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L43)
+        LINENUMBER (64)
+          NOP
+        LABEL (L44)
         LINENUMBER (36)
           ICONST_0
           ISTORE (0)
-        LABEL (L15)
-        LINENUMBER (48)
-          NEW (kotlinx/serialization/internal/ArrayListSerializer)
-          DUP
-          GETSTATIC (Box, Companion, LBox$Companion;)
-          NEW (kotlinx/serialization/internal/ArrayListSerializer)
-          DUP
-          GETSTATIC (Simple$$serializer, INSTANCE, LSimple$$serializer;)
-          CHECKCAST (kotlinx/serialization/KSerializer)
-          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
-          INVOKEVIRTUAL (Box$Companion, serializer, (Lkotlinx/serialization/KSerializer;)Lkotlinx/serialization/KSerializer;)
-          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
-        LABEL (L16)
-          POP
-        LABEL (L17)
+        LABEL (L45)
+        LINENUMBER (66)
+          ICONST_0
+          ISTORE (1)
+        LABEL (L46)
+          LDC (Ljava/util/List;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (LBox;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (Ljava/util/List;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (LSimple;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+        LABEL (L47)
+        LINENUMBER (67)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (2)
+        LABEL (L48)
+          ICONST_0
+          ISTORE (3)
+        LABEL (L49)
+        LINENUMBER (68)
+          ALOAD (2)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L50)
+        LINENUMBER (67)
+          NOP
+        LABEL (L51)
+        LINENUMBER (66)
+          NOP
+        LABEL (L52)
         LINENUMBER (38)
-          GETSTATIC (kotlinx/serialization/internal/IntSerializer, INSTANCE, Lkotlinx/serialization/internal/IntSerializer;)
-          CHECKCAST (kotlinx/serialization/KSerializer)
-          POP
-        LABEL (L18)
+          ICONST_0
+          ISTORE (0)
+        LABEL (L53)
+          GETSTATIC (java/lang/Integer, TYPE, Ljava/lang/Class;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+        LABEL (L54)
+        LINENUMBER (69)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (1)
+        LABEL (L55)
+          ICONST_0
+          ISTORE (2)
+        LABEL (L56)
+        LINENUMBER (70)
+          ALOAD (1)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L57)
+        LINENUMBER (69)
+          NOP
+        LABEL (L58)
         LINENUMBER (40)
-          GETSTATIC (SerializableObject, INSTANCE, LSerializableObject;)
-          INVOKEVIRTUAL (SerializableObject, serializer, ()Lkotlinx/serialization/KSerializer;)
-          POP
-        LABEL (L19)
+          ICONST_0
+          ISTORE (0)
+        LABEL (L59)
+          LDC (LSerializableObject;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+        LABEL (L60)
+        LINENUMBER (71)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (1)
+        LABEL (L61)
+          ICONST_0
+          ISTORE (2)
+        LABEL (L62)
+        LINENUMBER (72)
+          ALOAD (1)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L63)
+        LINENUMBER (71)
+          NOP
+        LABEL (L64)
         LINENUMBER (42)
           ICONST_0
           ISTORE (0)
-        LABEL (L20)
-        LINENUMBER (49)
-          NEW (kotlinx/serialization/internal/ArrayListSerializer)
-          DUP
-          NEW (kotlinx/serialization/internal/ArrayListSerializer)
-          DUP
-          NEW (Box$$serializer)
-          DUP
-          GETSTATIC (kotlinx/serialization/internal/IntSerializer, INSTANCE, Lkotlinx/serialization/internal/IntSerializer;)
-          CHECKCAST (kotlinx/serialization/KSerializer)
-          INVOKESPECIAL (Box$$serializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
-          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
-          INVOKESPECIAL (kotlinx/serialization/internal/ArrayListSerializer, <init>, (Lkotlinx/serialization/KSerializer;)V)
-        LABEL (L21)
-          POP
-        LABEL (L22)
+        LABEL (L65)
+        LINENUMBER (73)
+          ICONST_0
+          ISTORE (1)
+        LABEL (L66)
+          LDC (Ljava/util/List;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (Ljava/util/List;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          LDC (LBox;)
+          GETSTATIC (kotlin/reflect/KTypeProjection, Companion, Lkotlin/reflect/KTypeProjection$Companion;)
+          GETSTATIC (java/lang/Integer, TYPE, Ljava/lang/Class;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+          INVOKEVIRTUAL (kotlin/reflect/KTypeProjection$Companion, invariant, (Lkotlin/reflect/KType;)Lkotlin/reflect/KTypeProjection;)
+          INVOKESTATIC (kotlin/jvm/internal/Reflection, typeOf, (Ljava/lang/Class;Lkotlin/reflect/KTypeProjection;)Lkotlin/reflect/KType;)
+        LABEL (L67)
+        LINENUMBER (74)
+          INVOKESTATIC (kotlinx/serialization/SerializersKt, serializer, (Lkotlin/reflect/KType;)Lkotlinx/serialization/KSerializer;)
+          ASTORE (2)
+        LABEL (L68)
+          ICONST_0
+          ISTORE (3)
+        LABEL (L69)
+        LINENUMBER (75)
+          ALOAD (2)
+          LDC (null cannot be cast to non-null type kotlinx.serialization.KSerializer<T of kotlinx.serialization.internal.Platform_commonKt.cast>)
+          INVOKESTATIC (kotlin/jvm/internal/Intrinsics, checkNotNull, (Ljava/lang/Object;Ljava/lang/String;)V)
+        LABEL (L70)
+        LINENUMBER (74)
+          NOP
+        LABEL (L71)
+        LINENUMBER (73)
+          NOP
+        LABEL (L72)
         LINENUMBER (43)
           RETURN
     }
@@ -257,4 +454,4 @@ public final class Simple : java/lang/Object {
     public final java.lang.String getLastName()
 
     public final static void write$Self(Simple self, kotlinx.serialization.encoding.CompositeEncoder output, kotlinx.serialization.descriptors.SerialDescriptor serialDesc)
-}
+}