Fix byte compilation of package built-ins

* lisp/emacs-lisp/package.el
(package--activate-autoloads-and-load-path):
(package--load-files-for-activation): Remove.
(package--library-stem): New function, because
file-name-sans-extension is insufficient.
(package--reload-previously-loaded): New function.
(package-activate-1): Reload directly.
(package--files-load-history):
(package--list-of-conflicts):
(package--list-loaded-files): Remove
(package-unpack): Adjust call.

* test/lisp/emacs-lisp/package-tests.el (macro-builtin-func): Test.
(macro-builtin-10-and-90): Test.
(package-test-macro-compilation): Test.
(package-test-macro-compilation-gz): Test (bug#49708).

2 files changed, 46 insertions, 0 deletions

diff --git a/test/lisp/emacs-lisp/package-resources/macro-builtin-package-2.0/macro-builtin-aux.el b/test/lisp/emacs-lisp/package-resources/macro-builtin-package-2.0/macro-builtin-aux.el
new file mode 100644
index 00000000000..9f257d9d22c
--- /dev/null
+++ b/test/lisp/emacs-lisp/package-resources/macro-builtin-package-2.0/macro-builtin-aux.el
@@ -0,0 +1,16 @@
+;;; macro-builtin-aux.el --- laksd                                  -*- lexical-binding: t; -*-
+
+;; Author: Artur Malabarba <emacs@endlessparentheses.com>
+
+;;; Code:
+
+(defmacro macro-builtin-aux-1 ( &rest forms)
+  "Description"
+  `(progn ,@forms))
+
+(defmacro macro-builtin-aux-3 ( &rest _)
+  "Description"
+  90)
+
+(provide 'macro-builtin-aux)
+;;; macro-builtin-aux.el ends here
diff --git a/test/lisp/emacs-lisp/package-resources/macro-builtin-package-2.0/macro-builtin.el b/test/lisp/emacs-lisp/package-resources/macro-builtin-package-2.0/macro-builtin.el
new file mode 100644
index 00000000000..5d241c082d0
--- /dev/null
+++ b/test/lisp/emacs-lisp/package-resources/macro-builtin-package-2.0/macro-builtin.el
@@ -0,0 +1,30 @@
+;;; macro-builtin.el --- laksd                                  -*- lexical-binding: t; -*-
+
+;; Author: Artur Malabarba <emacs@endlessparentheses.com>
+;; Keywords: tools
+;; Version: 2.0
+
+;;; Code:
+
+(require 'macro-builtin-aux)
+
+(defmacro macro-builtin-1 ( &rest forms)
+  "Description"
+  `(progn ,(cadr (car forms))))
+
+
+(defun macro-builtin-func ()
+  ""
+  (list (macro-builtin-1 '1 'b)
+        (macro-builtin-aux-1 'a 'b)))
+
+(defmacro macro-builtin-3 (&rest _)
+  "Description"
+  10)
+
+(defun macro-builtin-10-and-90 ()
+  ""
+  (list (macro-builtin-3 haha) (macro-builtin-aux-3 hehe)))
+
+(provide 'macro-builtin)
+;;; macro-builtin.el ends here