Index: src/SynTree/Expression.cc
===================================================================
--- src/SynTree/Expression.cc	(revision 9aaac6e93085196ddc22e508c0fdfa1ee11ae660)
+++ src/SynTree/Expression.cc	(revision 2ae171d8401152d8289643ca2935d2f09ce16b41)
@@ -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() ) {