[Bug other/61300] powerpc64le miscompile with K&R-style function definition at -O0

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61300

--- Comment #5 from Alan Modra <amodra at gmail dot com> ---
Actually, to work the patch in comment #3 would need to be

-  if (!prototype_p (fun) || stdarg_p (fun))
+  if (1)
     return true;