Delegated implementations for properties and extension properties.

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrPropertyAccessor.kt

@@ -43,17 +43,25 @@ interface IrPropertySetter : IrPropertyAccessor {
 abstract class IrPropertyAccessorBase(
         startOffset: Int,
         endOffset: Int,
-        origin: IrDeclarationOrigin,
-        body: IrBody
-) : IrGeneralFunctionBase(startOffset, endOffset, origin, body), IrPropertyAccessor
+        origin: IrDeclarationOrigin
+) : IrGeneralFunctionBase(startOffset, endOffset, origin), IrPropertyAccessor
 
 class IrPropertyGetterImpl(
         startOffset: Int,
         endOffset: Int,
         origin: IrDeclarationOrigin,
-        override val descriptor: PropertyGetterDescriptor,
-        body: IrBody
-) : IrPropertyAccessorBase(startOffset, endOffset, origin, body), IrPropertyGetter {
+        override val descriptor: PropertyGetterDescriptor
+) : IrPropertyAccessorBase(startOffset, endOffset, origin), IrPropertyGetter {
+    constructor(
+            startOffset: Int,
+            endOffset: Int,
+            origin: IrDeclarationOrigin,
+            descriptor: PropertyGetterDescriptor,
+            body: IrBody
+    ) : this(startOffset, endOffset, origin, descriptor) {
+        this.body = body
+    }
+
     override fun <R, D> accept(visitor: IrElementVisitor<R, D>, data: D): R =
             visitor.visitPropertyGetter(this, data)
 }
@@ -62,9 +70,18 @@ class IrPropertySetterImpl(
         startOffset: Int,
         endOffset: Int,
         origin: IrDeclarationOrigin,
-        override val descriptor: PropertySetterDescriptor,
-        body: IrBody
-) : IrPropertyAccessorBase(startOffset, endOffset, origin, body), IrPropertySetter {
+        override val descriptor: PropertySetterDescriptor
+) : IrPropertyAccessorBase(startOffset, endOffset, origin), IrPropertySetter {
+    constructor(
+            startOffset: Int,
+            endOffset: Int,
+            origin: IrDeclarationOrigin,
+            descriptor: PropertySetterDescriptor,
+            body: IrBody
+    ) : this(startOffset, endOffset, origin, descriptor) {
+        this.body = body
+    }
+
     override fun <R, D> accept(visitor: IrElementVisitor<R, D>, data: D): R =
             visitor.visitPropertySetter(this, data)
 }