From 4eda19b36a87e94e0484f937cc1abbbcad9865fd Mon Sep 17 00:00:00 2001
From: Dmitry Petrov <Dmitry.Petrov@jetbrains.com>
Date: Tue, 6 Sep 2016 11:45:01 +0300
Subject: [PATCH] Do not generate constructors for annotation classes.

---
 .../jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt    | 6 +++++-
 compiler/testData/ir/irText/classes/classes.txt             | 4 ----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
index 4195caf89da..a210ff4a7c2 100644
--- a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
+++ b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
@@ -32,6 +32,7 @@ import org.jetbrains.kotlin.renderer.DescriptorRenderer
 import org.jetbrains.kotlin.renderer.DescriptorRendererModifier
 import org.jetbrains.kotlin.renderer.OverrideRenderingPolicy
 import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
 import java.lang.AssertionError
 import java.util.*
@@ -186,7 +187,10 @@ class ClassGenerator(val declarationGenerator: DeclarationGenerator) : Generator
     }
 
     private fun generatePrimaryConstructor(irClass: IrClassImpl, ktClassOrObject: KtClassOrObject) {
-        val primaryConstructorDescriptor = irClass.descriptor.unsubstitutedPrimaryConstructor ?: return
+        val classDescriptor = irClass.descriptor
+        if (DescriptorUtils.isAnnotationClass(classDescriptor)) return
+
+        val primaryConstructorDescriptor = classDescriptor.unsubstitutedPrimaryConstructor ?: return
 
         val irPrimaryConstructor = IrConstructorImpl(ktClassOrObject.startOffset, ktClassOrObject.endOffset, IrDeclarationOrigin.DEFINED,
                                                      primaryConstructorDescriptor)
diff --git a/compiler/testData/ir/irText/classes/classes.txt b/compiler/testData/ir/irText/classes/classes.txt
index 6c6d012d856..495586df13e 100644
--- a/compiler/testData/ir/irText/classes/classes.txt
+++ b/compiler/testData/ir/irText/classes/classes.txt
@@ -11,10 +11,6 @@ FILE /classes.kt
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestObject'
   CLASS ANNOTATION_CLASS TestAnnotationClass
-    CONSTRUCTOR public constructor TestAnnotationClass()
-      BLOCK_BODY
-        DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
-        INSTANCE_INITIALIZER_CALL classDescriptor='TestAnnotationClass'
   CLASS ENUM_CLASS TestEnumClass
     CONSTRUCTOR private constructor TestEnumClass()
       BLOCK_BODY