Re: emacs-27 3bce7ec: CC Mode: Protect against consecutive calls to before-change-functions ...

[Alan Mackenzie <acm@muc.de>]

Hello, Glenn.

On Fri, Feb 28, 2020 at 11:54:23 -0500, Glenn Morris wrote:
> Alan Mackenzie wrote:

> > branch: emacs-27
> > commit 3bce7ec3826003fda1971224a20d7fe2cba8bf65

> >     CC Mode: Protect against consecutive calls to before-change-functions ...

> This causes srecode-utest-getset-output in
> test/lisp/cedet/srecode-utest-getset.el to fail:

> Test srecode-utest-getset-output backtrace:
>   parse-partial-sexp(1 627 nil nil nil syntax-table)
>   c-after-change-mark-abnormal-strings(100 320 0)
>   #f(compiled-function (fn) #<bytecode 0x9b5689>)(c-after-change-mark-
>   mapc(#f(compiled-function (fn) #<bytecode 0x9b5689>) (c-depropertize
>   c-after-change(100 320 0)
>   run-hook-with-args(c-after-change 100 320 0)
>   srecode-insert-fcn(#<srecode-template getset-in-class> #<srecode-dic
>   srecode-insert-getset()
>   #f(compiled-function () #<bytecode 0x9573ad>)()
>   ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
>   ert-run-test(#s(ert-test :name srecode-utest-getset-output :document
>   ert-run-or-rerun-test(#s(ert--stats :selector (not (or ... ...)) :te
>   ert-run-tests((not (or (tag :expensive-test) (tag :unstable))) #f(co
>   ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable)))
>   ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un
>   eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) (
>   command-line-1(("-L" ":." "-l" "ert" "-l" "lisp/cedet/srecode-utest-
>   command-line()
>   normal-top-level()
> Test srecode-utest-getset-output condition:
>     (args-out-of-range #<buffer srecode-utest-getset-TkO46e.cpp> 1 627)
>    FAILED  1/1  srecode-utest-getset-output (1.709802 sec)

Yes.  I've fixed this bug in the emacs-27 branch.

As a matter of interest, the scenario Mattias reported was caused by a
different bug (also fixed).

-- 
Alan Mackenzie (Nuremberg, Germany).