Index: src/InitTweak/FixInit.cc
===================================================================
--- src/InitTweak/FixInit.cc	(revision 22bc27633b10d98030a7959b4671f00d9985c61a)
+++ src/InitTweak/FixInit.cc	(revision 05807e989c74b3d956464b981002890eca36abe2)
@@ -339,5 +339,5 @@
 				} else if ( DeclarationWithType * funcDecl = dynamic_cast< DeclarationWithType * > ( function->get_var() ) ) {
 					FunctionType * ftype = dynamic_cast< FunctionType * >( GenPoly::getFunctionType( funcDecl->get_type() ) );
-					assert( ftype );
+					assertf( ftype, "Function call without function type: %s", toString( funcDecl ).c_str() );
 					if ( CodeGen::isConstructor( funcDecl->get_name() ) && ftype->get_parameters().size() == 2 ) {
 						Type * t1 = getPointerBase( ftype->get_parameters().front()->get_type() );
@@ -1014,4 +1014,6 @@
 					// skip non-DWT members
 					if ( ! field ) continue;
+					// skip non-constructable members
+					if ( ! tryConstruct( field ) ) continue;
 					// skip handled members
 					if ( ! unhandled.count( field ) ) continue;