https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117387
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Like this?
diff --git a/gcc/calls.cc b/gcc/calls.cc
index f67067acad4..1df064dcef6 100644
--- a/gcc/calls.cc
+++ b/gcc/calls.cc
@@ -2992,8 +2992,6 @@ expand_call (tree exp, rtx target, int ignore)
Normally, don't include the last named arg if anonymous args follow.
We do include the last named arg if
targetm.calls.strict_argument_naming() returns nonzero.
- (If no anonymous args follow, the result of list_length is actually
- one too large. This is harmless.)
If targetm.calls.pretend_outgoing_varargs_named() returns
nonzero, and targetm.calls.strict_argument_naming() returns zero,
@@ -3008,7 +3006,8 @@ expand_call (tree exp, rtx target, int ignore)
if ((type_arg_types != 0 || TYPE_NO_NAMED_ARGS_STDARG_P (funtype))
&& targetm.calls.strict_argument_naming (args_so_far))
- ;
+ /* Don't include the last named arg for non-variadic function. */
+ n_named_args -= !stdarg_p (funtype);
else if (type_arg_types != 0
&& ! targetm.calls.pretend_outgoing_varargs_named (args_so_far))
/* Don't include the last named arg. */
--
2.47.0
