YJIT: Handle splat+rest for args pass greater than required (#7468)

For example:

```ruby
def my_func(x, y, *rest)
    p [x, y, rest]
end

my_func(1, 2, 3, *[4, 5])
```

1 files changed, 3 insertions, 0 deletions

diff --git a/yjit.c b/yjit.c
index d608ad32fa..f5037e6217 100644
--- a/yjit.c
+++ b/yjit.c
@@ -848,6 +848,9 @@ rb_yarv_ary_entry_internal(VALUE ary, long offset)
 }
 
 VALUE
+rb_yjit_rb_ary_unshift_m(int argc, VALUE *argv, VALUE ary);
+
+VALUE
 rb_yarv_fix_mod_fix(VALUE recv, VALUE obj)
 {
     return rb_fix_mod_fix(recv, obj);