Index: src/AST/Node.cpp
===================================================================
--- src/AST/Node.cpp	(revision 6e50a6bc841ea438631989230a869a5ede7467e8)
+++ src/AST/Node.cpp	(revision 943bfad2c0b8d6d35a71ff04892a3d14825e9dc8)
@@ -47,9 +47,9 @@
 	const ast::ParseNode * parse = dynamic_cast<const ast::ParseNode *>( node );
 	if ( nullptr == parse ) {
-		assertf(nullptr, "%s (no location)", toString(node).c_str());
+		assertf(false, "%s (no location)", toString(node).c_str());
 	} else if ( parse->location.isUnset() ) {
-		assertf(nullptr, "%s (unset location)", toString(node).c_str());
+		assertf(false, "%s (unset location)", toString(node).c_str());
 	} else {
-		assertf(nullptr, "%s (at %s:%d)", toString(node).c_str(),
+		assertf(false, "%s (at %s:%d)", toString(node).c_str(),
 			parse->location.filename.c_str(), parse->location.first_line);
 	}