diff --git a/ir/irstruct.cpp b/ir/irstruct.cpp
index 96be3e40..f0dfab86 100644
--- a/ir/irstruct.cpp
+++ b/ir/irstruct.cpp
@@ -61,7 +61,7 @@ LLGlobalVariable * IrStruct::getInitSymbol()
         init_pa.get(), true, _linkage, NULL, initname, gIR->module);
 
     // set alignment
-    init->setAlignment(aggrdecl->alignsize);
+    init->setAlignment(type->alignsize());
 
     return init;
 }
diff --git a/ir/irtype.h b/ir/irtype.h
index 864ac68e..507c46e5 100644
--- a/ir/irtype.h
+++ b/ir/irtype.h
@@ -13,6 +13,7 @@ class IrTypeAggr;
 class IrTypeArray;
 class IrTypeBasic;
 class IrTypeClass;
+class IrTypeDelegate;
 class IrTypeFunction;
 class IrTypePointer;
 class IrTypeSArray;
@@ -36,6 +37,8 @@ public:
     ///
     virtual IrTypeClass* isClass()      { return NULL; }
     ///
+    virtual IrTypeDelegate* isDelegate(){ return NULL; }
+    ///
     virtual IrTypeFunction* isFunction(){ return NULL; }
     ///
     virtual IrTypePointer* isPointer()  { return NULL; }