Emacs 2021-06-17

• [2021-06-17 01:53:59 +0900]: * lisp/emacs-lisp/cl-generic.el: Fix bug#49053 and bug#47454
• [2021-06-17 01:05:41 +0900]: Eliminate some GCC warnings
• [2021-06-17 00:34:32 +0900]: * lisp/simple.el (save-interprogram-paste-before-kill): Fix type.