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Teach byte-compiler about Aristotelian identity
authorMattias Engdegård <mattiase@acm.org>
Mon, 7 Aug 2023 16:14:42 +0000 (18:14 +0200)
committerMattias Engdegård <mattiase@acm.org>
Tue, 8 Aug 2023 09:46:18 +0000 (11:46 +0200)
commit89bd65197642e4700b36c270d3abf8e4a2dffbf8
tree4a9138af3d14fa6e8c9b08b63d81d9636e270b0btree | snapshot
parenteeda9eff1aa1ad973851d6589c5bcf6020a090e8commit | diff
Teach byte-compiler about Aristotelian identity

* lisp/emacs-lisp/byte-opt.el (byte-optimize-equal, byte-optimize-eq):
Optimise (eq X X) -> t where X is a variable; idem for eql and equal.
* test/lisp/emacs-lisp/bytecomp-tests.el (bytecomp-tests--test-cases):
Add test case.
lisp/emacs-lisp/byte-opt.el diff | blob | history
test/lisp/emacs-lisp/bytecomp-tests.el diff | blob | history
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