[IR] Add a kDoc for IrRawFunctionReference

compiler/ir/ir.tree/gen/org/jetbrains/kotlin/ir/expressions/IrRawFunctionReference.kt

@@ -12,7 +12,11 @@ import org.jetbrains.kotlin.ir.symbols.IrFunctionSymbol
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 
 /**
- * A leaf IR tree element.
+ * Represents a platform-specific low-level reference to a function.
+ *
+ * On the JS platform it represents a plain reference to a JavaScript function.
+ *
+ * On the JVM platform it represents a [java.lang.invoke.MethodHandle] constant.
  *
  * Generated from: [org.jetbrains.kotlin.ir.generator.IrTree.rawFunctionReference]
  */

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/IrTree.kt

@@ -823,16 +823,17 @@ object IrTree : AbstractTreeBuilder() {
         +symbol(enumEntrySymbolType, mutable = true)
     }
 
-    /**
-     * Platform-specific low-level reference to function.
-     *
-     * On JS platform it represents a plain reference to JavaScript function.
-     * On JVM platform it represents a MethodHandle constant.
-     */
     val rawFunctionReference: Element by element(Expression) {
-
         parent(declarationReference)
 
+        kDoc = """
+        Represents a platform-specific low-level reference to a function.
+        
+        On the JS platform it represents a plain reference to a JavaScript function.
+        
+        On the JVM platform it represents a [java.lang.invoke.MethodHandle] constant.
+        """.trimIndent()
+
         +symbol(functionSymbolType, mutable = true)
     }
     val containerExpression: Element by element(Expression) {