Add IS_DATA flag

core/deserialization/src/descriptors.proto

@@ -170,6 +170,7 @@ message Class {
     Modality
     ClassKind
     isInner
+    isData
   */
   optional int32 flags = 1 [default = 6 /* public final class, no annotations */];
 

core/deserialization/src/org/jetbrains/kotlin/serialization/Flags.java

@@ -34,6 +34,7 @@ public class Flags {
 
     public static final FlagField<ProtoBuf.Class.Kind> CLASS_KIND = FlagField.after(MODALITY, ProtoBuf.Class.Kind.values());
     public static final BooleanFlagField IS_INNER = FlagField.booleanAfter(CLASS_KIND);
+    public static final BooleanFlagField IS_DATA = FlagField.booleanAfter(IS_INNER);
 
     // Callables
 

core/deserialization/src/org/jetbrains/kotlin/serialization/ProtoBuf.java

@@ -7186,6 +7186,7 @@ public final class ProtoBuf {
      *Modality
      *ClassKind
      *isInner
+     *isData
      * </pre>
      */
     boolean hasFlags();
@@ -7199,6 +7200,7 @@ public final class ProtoBuf {
      *Modality
      *ClassKind
      *isInner
+     *isData
      * </pre>
      */
     int getFlags();
@@ -7697,6 +7699,7 @@ public final class ProtoBuf {
      *Modality
      *ClassKind
      *isInner
+     *isData
      * </pre>
      */
     public boolean hasFlags() {
@@ -7712,6 +7715,7 @@ public final class ProtoBuf {
      *Modality
      *ClassKind
      *isInner
+     *isData
      * </pre>
      */
     public int getFlags() {
@@ -8601,6 +8605,7 @@ public final class ProtoBuf {
        *Modality
        *ClassKind
        *isInner
+       *isData
        * </pre>
        */
       public boolean hasFlags() {
@@ -8616,6 +8621,7 @@ public final class ProtoBuf {
        *Modality
        *ClassKind
        *isInner
+       *isData
        * </pre>
        */
       public int getFlags() {
@@ -8631,6 +8637,7 @@ public final class ProtoBuf {
        *Modality
        *ClassKind
        *isInner
+       *isData
        * </pre>
        */
       public Builder setFlags(int value) {
@@ -8649,6 +8656,7 @@ public final class ProtoBuf {
        *Modality
        *ClassKind
        *isInner
+       *isData
        * </pre>
        */
       public Builder clearFlags() {