Squash elision warnings on synthetic functions

* staptree.h (functiondecl): Add a synthetic flag.
* elaborate.cxx (semantic_pass_opt1): Don't warn about synthetic funcs.
* tapsets.cxx (dwarf_var_expanding_visitor::visit_target_symbol): Mark
  the new function as synthetic.
  (dwarf_cast_expanding_visitor::visit_cast_op): Ditto.
  (tracepoint_var_expanding_visitor::visit_target_symbol_arg): Ditto.
* tapset-perfmon.cxx
  (perfmon_var_expanding_visitor::visit_target_symbol): Ditto.
* tapset-procfs.cxx (procfs_var_expanding_visitor::visit_target_symbol):
  Ditto.
* testsuite/semok/thirtyeight.stp: New check with -W and @defined.

1 files changed, 1 insertions, 0 deletions

diff --git a/staptree.h b/staptree.h
index 0ad6e9c2..88973979 100644
--- a/staptree.h
+++ b/staptree.h
@@ -486,6 +486,7 @@ struct functiondecl: public symboldecl
   std::vector<vardecl*> locals;
   std::vector<vardecl*> unused_locals;
   statement* body;
+  bool synthetic;
   functiondecl ();
   void print (std::ostream& o) const;
   void printsig (std::ostream& o) const;