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| author | Stefan Monnier <monnier@iro.umontreal.ca> | 2021-01-08 18:44:13 -0500 |
|---|---|---|
| committer | Stefan Monnier <monnier@iro.umontreal.ca> | 2021-01-08 18:44:13 -0500 |
| commit | 3b9dad88e02f05773c599808266febf3e4128222 (patch) | |
| tree | c2d14608aa3e6845ddfceaaa79b49b3cfbaf265e /test/lisp/subr-tests.el | |
| parent | 9d3d6f850060db078c7a6853aa3eb8f6e8dca520 (diff) | |
| download | emacs-3b9dad88e02f05773c599808266febf3e4128222.tar.gz emacs-3b9dad88e02f05773c599808266febf3e4128222.tar.bz2 emacs-3b9dad88e02f05773c599808266febf3e4128222.zip | |
* lisp/subr.el (letrec): Optimize some non-recursive bindings
* lisp/emacs-lisp/macroexp.el (macroexp--fgrep): Look inside bytecode
objects as well.
* test/lisp/emacs-lisp/cl-macs-tests.el (cl-macs--labels):
* test/lisp/subr-tests.el (subr--tests-letrec): New tests.
Diffstat (limited to 'test/lisp/subr-tests.el')
| -rw-r--r-- | test/lisp/subr-tests.el | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/lisp/subr-tests.el b/test/lisp/subr-tests.el index 21185303360..e0826208b60 100644 --- a/test/lisp/subr-tests.el +++ b/test/lisp/subr-tests.el @@ -433,6 +433,15 @@ See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=19350." (should (equal (flatten-tree '(1 ("foo" "bar") 2)) '(1 "foo" "bar" 2)))) +(ert-deftest subr--tests-letrec () + ;; Test that simple cases of `letrec' get optimized back to `let*'. + (should (equal (macroexpand '(letrec ((subr-tests-var1 1) + (subr-tests-var2 subr-tests-var1)) + (+ subr-tests-var1 subr-tests-var2))) + '(let* ((subr-tests-var1 1) + (subr-tests-var2 subr-tests-var1)) + (+ subr-tests-var1 subr-tests-var2))))) + (defvar subr-tests--hook nil) (ert-deftest subr-tests-add-hook-depth () |