[Bug c++/105569] [12/13 Regression] -Waddress warns on dynamic_cast

[mpolacek at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105569

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |mpolacek at gcc dot 
gnu.org

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Candidate fix:

--- a/gcc/cp/rtti.cc
+++ b/gcc/cp/rtti.cc
@@ -844,6 +844,9 @@ build_dynamic_cast (location_t loc, tree type, tree expr,
   if (r != error_mark_node)
     maybe_warn_about_useless_cast (loc, type, expr, complain);
   protected_set_expr_location (r, loc);
+  tree sr = r;
+  STRIP_TYPE_NOPS (sr);
+  suppress_warning (sr, OPT_Waddress);
   return r;
 }