The silent_functions flag no longer modifies the parse tree * pt-assign.cc (tree_simple_assignment::rvalue1, tree_multi_assignment::rvalue): Check tree_evaluator::statement_printing_enabled. * pt-eval.cc (tree_evaluator::statement_printing_enabled): New function. (tree_evaluator::visit_statement): Do not modify parse tree and check tree_evaluator::statement_printing_enabled. * pt-eval.h (tree_evaluator::statement_printing_enabled): New declaration. * pt-exp.h (tree_expression::print_result): Added comment. * pt-id.cc (tree_identifier::rvalue): Check tree_evaluator::statement_printing_enabled.

--- a/libinterp/parse-tree/pt-eval.h
+++ b/libinterp/parse-tree/pt-eval.h
@@ -136,6 +136,8 @@
 
   static void reset_debug_state (void);
 
+  static bool statement_printing_enabled (void);
+
   // If > 0, stop executing at the (N-1)th stopping point, counting
   //         from the the current execution point in the current frame.
   //