vim: Import v8.2.3786

* 8.2.3786: test fails because of using Vim9 syntax in legacy function
* 8.2.3785: running CI on MacOS with gcc is not useful
* 8.2.3784: the help for options is outdated
* 8.2.3783: confusing error for using a variable as a function
* 8.2.3782: Vim9: no error if a function shadows a script variable
* 8.2.3781: the option window script is outdated
* 8.2.3780: ":cd" works differently on MS-Windows

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.3779](https://github.com/vim/vim/commit/205f29c3e9b895dbaa4f738046da455a93c3812a): using freed memory when defining a user command recursively\n* [8.2.3778](https://github.com/vim/vim/commit/9537e37b1124a0584e5f2af10756baca78bc73a1): lambda debug test fails in some configurations\n* [8.2.3777](https://github.com/vim/vim/commit/1daedc838126bf6fe30221192cfe36aa1b56b454): spell file write error not checked\n* [8.2.3776](https://github.com/vim/vim/commit/f8e9eb8e173bf0ff9560192ae888941ef8302269): when a tags file line is long a tag may not be found\n* [8.2.3775](https://github.com/vim/vim/commit/9fffef9f3562e05755e4b3c46509b2eeeb623ff7): Vim9: lambda compiled without outer context when debugging\n* [8.2.3774](https://github.com/vim/vim/commit/b711814cb64b60ec4918e3e1fb2ca5c50d6e9340): test for command line height fails\n* [8.2.3773](https://github.com/vim/vim/commit/8a7374f8c4eb4c016270ad908a43af4ddedcbf56): wrong window size when a modeline changes 'columns'\n* [8.2.3772](https://github.com/vim/vim/commit/ff39a650b2bd31e30d1bb8766e8560f9a14a7137): timer info test fails on slow machine\n* [8.2.3771](https://github.com/vim/vim/commit/dd297bc11d2793ba61638972778c57f2da14e8b5): Vim9: accessing freed memory when checking type
+* [8.2.3786](https://github.com/vim/vim/commit/4f16e9de985c5178e9cf15d69facfec6f15a5e09): test fails because of using Vim9 syntax in legacy function\n* [8.2.3785](https://github.com/vim/vim/commit/48c0196378a1fa408ebae4f578a62095d8a80c6f): running CI on MacOS with gcc is not useful\n* [8.2.3784](https://github.com/vim/vim/commit/7b1463bca36d16e70afd6779e4fbb30761048c91): the help for options is outdated\n* [8.2.3783](https://github.com/vim/vim/commit/2ef9156b4284e4a52613c36e3d4667245273a28d): confusing error for using a variable as a function\n* [8.2.3782](https://github.com/vim/vim/commit/052ff291d72bc9c176f9562f021d7e8e030e74c0): Vim9: no error if a function shadows a script variable\n* [8.2.3781](https://github.com/vim/vim/commit/a416861c643b03fe5dec9f3bf8c1c9e054b5a9c7): the option window script is outdated\n* [8.2.3780](https://github.com/vim/vim/commit/29f3a4591528130fded3fe1d63d74bcf22ab4f6c): ":cd" works differently on MS-Windows