* test/lisp/emacs-lisp/comp-tests.el
(with-test-native-compile-prune-cache)
(test-native-compile-prune-cache)
(test-native-compile-prune-cache/delete-only-eln)
(test-native-compile-prune-cache/dont-delete-in-parent-of-cache):
Check that the last directory in `native-comp-eln-load-path' is
not affected by `native-compile-prune-cache'.
* test/lisp/emacs-lisp/comp-tests.el: Mark used native-compile
variables as special to pacify unknown lexvar warnings in the
default build.
(with-test-native-compile-prune-cache): Instrument macro arguments
for debugging and indent conventionally. Reindent all callers.
(test-native-compile-prune-cache/dont-delete-in-parent-of-cache):
Simplify file name expansion.
