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, 1 deletions

diff --git a/staptree.cxx b/staptree.cxx
index f01e895e..9276586b 100644
--- a/staptree.cxx
+++ b/staptree.cxx
@@ -164,7 +164,7 @@ vardecl::compatible_arity (int a)
 
 
 functiondecl::functiondecl ():
-  body (0)
+  body (0), synthetic (false)
 {
 }