Need more precise constant name check.
This change was inspired by [ruby-bugs#7573]
MODIFY
src/class.c
src/class.c
@@ -1981,7 +1981,14 @@ mrb_mod_const_get(mrb_state *mrb, mrb_value mod)
end = (end == -1) ? len : end;
id = mrb_intern(mrb, ptr+off, end-off);
mod = mrb_const_get_sym(mrb, mod, id);
- off = (end == len) ? end : end+2;
+ if (end == len)
+ off = end;
+ else {
+ off = end + 2;
+ if (off == len) { /* trailing "::" */
+ mrb_name_error(mrb, id, "wrong constant name '%S'", path);
+ }
+ }
}
return mod;

Need more precise constant name check.

This change was inspired by [ruby-bugs#7573]