new tree_funcall class * pt-funcall.h, pt-funcall.cc: New files. Define tree_funcall class. * pt-all.h: Also include pt-funcall.h. * pt-bp.h, pt-bp.cc (tree_breakpoint::visit_funcall): New function. * pt-check.h, pt-check.cc (tree_checker::visit_funcall): New function. * pt-eval.h, pt-eval.cc (tree_evaluator::visit_funcall): New function. * pt-pr-code.h, pt-pr-code.cc (tree_print_code::visit_funcall): New function. * pt-walk.h (tree_walker::visit_funcall): New pure virtual function. * src/Makefile.am (PT_INCLUDES): Add pt-funcall.h to the list.* (PT_SRC): Add pt-funcall.cc to the list.

--- a/src/pt-eval.cc	Fri Jul 27 09:11:49 2012 -0700
+++ b/src/pt-eval.cc	Fri Jul 27 15:44:11 2012 -0400
@@ -633,6 +633,12 @@
 }
 
 void
+tree_evaluator::visit_funcall (tree_funcall&)
+{
+  panic_impossible ();
+}
+
+void
 tree_evaluator::visit_parameter_list (tree_parameter_list&)
 {
   panic_impossible ();