Ruby » Ruby master

• vm.c (rb_vm_pop_cfunc_frame): added. It cares c_return event.
  The patch base by drkaes (Stefan Kaes).
  [Bug #9321]
• variable.c (rb_mod_const_missing): use rb_vm_pop_cfunc_frame()
  instead of rb_frame_pop().
• vm_eval.c (raise_method_missing): ditto.
• vm_eval.c (rb_iterate): ditto.
• internal.h (rb_vm_pop_cfunc_frame): add decl.
• test/ruby/test_settracefunc.rb: add tests.
  provided by drkaes (Stefan Kaes).
• vm.c, eval.c, include/ruby/intern.h (rb_frame_pop):
  move definition of rb_frame_pop() and deprecate it.
  It doesn't care about `return' events.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44535 b2dd03c8-39d4-4d8f-98ff-823fe69b080e