Fix bug#45603

Reported and reduced by Mauricio Collares.

	* lisp/emacs-lisp/comp.el (comp-final): Fix coding system for the
	tmp file used to pass data the child processes.
	* test/src/comp-tests.el (45603-1): New testcase
	* test/src/comp-test-45603.el : New File.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/src/comp-tests.el b/test/src/comp-tests.el
index 19e0940db84..c0325a8d5df 100644
--- a/test/src/comp-tests.el
+++ b/test/src/comp-tests.el
@@ -492,6 +492,11 @@ https://lists.gnu.org/archive/html/bug-gnu-emacs/2020-03/msg00914.html."
   (should (string= (comp-test-45635-f :height 180 :family "PragmataPro Liga")
                    "PragmataPro Liga")))
 
+(comp-deftest 45603-1 ()
+  "<https://lists.gnu.org/archive/html/bug-gnu-emacs/2020-12/msg01994.html>"
+  (load (native-compile (concat comp-test-directory "comp-test-45603.el")))
+  (should (fboundp #'comp-test-45603--file-local-name)))
+
 
 ;;;;;;;;;;;;;;;;;;;;;
 ;; Tromey's tests. ;;