------- Comment #35 from ubizjak at gmail dot com 2008-02-22 13:49 -------
Hm...
/* Worker for DEF_BUILTIN.
Possibly define a builtin function with one or two names.
Does not declare a non-__builtin_ function if flag_no_builtin, or if
nonansi_p and flag_no_nonansi_builtin. */
static void
def_builtin_1 (enum built_in_function fncode,
const char *name,
enum built_in_class fnclass,
tree fntype, tree libtype,
bool both_p, bool fallback_p, bool nonansi_p,
tree fnattrs, bool implicit_p)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25477