Index: src/ResolvExpr/ConversionCost.cc
===================================================================
--- src/ResolvExpr/ConversionCost.cc	(revision 3315e3d151f62c12e3bb7b23991bd1b8df29dfbc)
+++ src/ResolvExpr/ConversionCost.cc	(revision 849720f09e161bb0a6d5dba500bf709d48c37197)
@@ -157,5 +157,4 @@
 			if ( typesCompatibleIgnoreQualifiers( src, destAsRef->base, indexer, env ) ) {
 				PRINT( std::cerr << "converting compatible base type" << std::endl; )
-				assert( src->get_lvalue() == srcIsLvalue );
 				if ( srcIsLvalue ) {
 					PRINT(