Index: src/Parser/DeclarationNode.cc
===================================================================
--- src/Parser/DeclarationNode.cc	(revision 7fdb94e149275ab27bb762fdf43b65253f25b3a8)
+++ src/Parser/DeclarationNode.cc	(revision 21bdce2f785fa2d0231fc5534594e333365d6c7e)
@@ -54,4 +54,5 @@
 
 DeclarationNode::DeclarationNode() :
+		builtin( NoBuiltinType ),
 		type( nullptr ),
 		bitfieldWidth( nullptr ),
@@ -101,4 +102,5 @@
 	newnode->name = name ? new string( *name ) : nullptr;
 
+	newnode->builtin = NoBuiltinType;
 	newnode->type = maybeClone( type );
 	newnode->storageClasses = storageClasses;