[K2] Enable tests for hasConstant field on properties in metadata.

compiler/fir/fir-serialization/src/org/jetbrains/kotlin/fir/serialization/FirElementSerializer.kt

@@ -858,7 +858,7 @@ class FirElementSerializer private constructor(
             }
         }
     }
-
+    
     private fun fillFromPossiblyInnerType(builder: ProtoBuf.Type.Builder, type: ConeClassLikeType) {
         val classifierSymbol = type.lookupTag.toSymbol(session)
         if (classifierSymbol != null) {

libraries/tools/kotlinp/test/org/jetbrains/kotlin/kotlinp/test/K1KotlinpTestGenerated.java

@@ -34,6 +34,11 @@ public class K1KotlinpTestGenerated extends AbstractK1KotlinpTest {
         runTest("libraries/tools/kotlinp/testData/Annotations.kt");
     }
 
+    @TestMetadata("Constants.kt")
+    public void testConstants() throws Exception {
+        runTest("libraries/tools/kotlinp/testData/Constants.kt");
+    }
+
     @TestMetadata("ContextReceivers.kt")
     public void testContextReceivers() throws Exception {
         runTest("libraries/tools/kotlinp/testData/ContextReceivers.kt");

libraries/tools/kotlinp/test/org/jetbrains/kotlin/kotlinp/test/K2KotlinpTestGenerated.java

@@ -34,6 +34,11 @@ public class K2KotlinpTestGenerated extends AbstractK2KotlinpTest {
         runTest("libraries/tools/kotlinp/testData/Annotations.kt");
     }
 
+    @TestMetadata("Constants.kt")
+    public void testConstants() throws Exception {
+        runTest("libraries/tools/kotlinp/testData/Constants.kt");
+    }
+
     @TestMetadata("ContextReceivers.kt")
     public void testContextReceivers() throws Exception {
         runTest("libraries/tools/kotlinp/testData/ContextReceivers.kt");

libraries/tools/kotlinp/testData/Constants.kt

@@ -0,0 +1,8 @@
+class A {
+    val constantString: String = "OK"
+    val constantInt: Int = 12
+    val constantDouble: Double = 1.0
+    val constantNull: String? = null
+}
+
+const val four = 2 + 2

libraries/tools/kotlinp/testData/Constants.txt

@@ -0,0 +1,46 @@
+// A.class
+// ------------------------------------------
+public final class A : kotlin/Any {
+
+  // signature: <init>()V
+  public constructor()
+
+  // field: constantDouble:D
+  // getter: getConstantDouble()D
+  public final val constantDouble: kotlin/Double /* = ... */
+    public final get
+
+  // field: constantInt:I
+  // getter: getConstantInt()I
+  public final val constantInt: kotlin/Int /* = ... */
+    public final get
+
+  // field: constantNull:Ljava/lang/String;
+  // getter: getConstantNull()Ljava/lang/String;
+  public final val constantNull: kotlin/String?
+    public final get
+
+  // field: constantString:Ljava/lang/String;
+  // getter: getConstantString()Ljava/lang/String;
+  public final val constantString: kotlin/String /* = ... */
+    public final get
+
+  // module name: test-module
+}
+// ConstantsKt.class
+// ------------------------------------------
+package {
+
+  // field: four:I
+  public final const val four: kotlin/Int /* = ... */
+    public final get
+
+  // module name: test-module
+}
+// META-INF/test-module.kotlin_module
+// ------------------------------------------
+module {
+  package <root> {
+    ConstantsKt
+  }
+}

libraries/tools/kotlinp/testData/VersionRequirement.kt

@@ -1,5 +1,3 @@
-// IGNORE K2
-
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
 package test