Index: src/SynTree/Expression.cc
===================================================================
--- src/SynTree/Expression.cc	(revision 6b224a52e644258a65fc4b1af5b45c5d9c835149)
+++ src/SynTree/Expression.cc	(revision 1cb758f27ecd2c57c8b7af48401267ff564acac8)
@@ -645,4 +645,8 @@
 		}
 	}
+	// ensure that StmtExpr has a result type
+	if ( ! result ) {
+		set_result( new VoidType( Type::Qualifiers() ) );
+	}
 }
 StmtExpr::StmtExpr( const StmtExpr &other ) : Expression( other ), statements( other.statements->clone() ) {