From b6c63a78237ee71b62fb703f22a7541b0fd09b94 Mon Sep 17 00:00:00 2001
From: Dmitry Petrov <dmitry.petrov@jetbrains.com>
Date: Thu, 29 Sep 2016 12:27:53 +0300
Subject: [PATCH] Ignore type aliases in code generation.

---
 .../org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt | 3 +++
 .../kotlin/backend/jvm/codegen/ExpressionCodegen.kt          | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt
index e3b1294ed50..0384d1f0b4a 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt
@@ -106,6 +106,9 @@ class ClassCodegen private constructor(val irClass: IrClass, val context: JvmBac
             is IrAnonymousInitializer -> {
                 // skip
             }
+            is IrTypeAlias -> {
+                // skip
+            }
             is IrClass -> {
                 ClassCodegen(declaration, context).generate()
             }
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt
index 336eb70b941..7818786f3de 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt
@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.descriptors.impl.TypeAliasConstructorDescriptor
 import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrFunction
+import org.jetbrains.kotlin.ir.declarations.IrTypeAlias
 import org.jetbrains.kotlin.ir.declarations.IrVariable
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.util.render
@@ -306,6 +307,10 @@ class ExpressionCodegen(
         return none()
     }
 
+    override fun visitTypeAlias(declaration: IrTypeAlias, data: BlockInfo): StackValue {
+        return none()
+    }
+
     override fun visitVararg(expression: IrVararg, data: BlockInfo): StackValue {
         val size = expression.elements.size
         mv.iconst(size)