patch 9.0.1917: undefined behaviour with python function pointer Commit: https://github.com/vim/vim/commit/d606fccf6fd716bda43a8e1d11d898f438d28b82 Author: Yee Cheng Chin <ychin.git@gmail.com> Date: Wed Sep 20 19:59:47 2023 +0200 patch 9.0.1917: undefined behaviour with python function pointer Problem: undefined behaviour with python function pointer Solution: correctly cast function pointers from void Fix more undefined behaviors in if_python Fix remaining UBSAN errors from Clang 17 in if_python in casting function pointers. Also fix a mistake where `PyMem_Free()` should be returning void, by the dynamic build is mistakenly casting it as a function that returns an int. closes: #13128 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>

" Vim compiler file
" Compiler:	Compaq Visual Fortran
" Maintainer:	Joh.-G. Simon (johann-guenter.simon@linde-le.com)
" Last Change:	11/05/2002

if exists("current_compiler")
  finish
endif
let current_compiler = "fortran_cv"

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

let s:cposet = &cpoptions
set cpoptions-=C

" A workable errorformat for Compaq Visual Fortran
CompilerSet errorformat=
		\%E%f(%l)\ :\ Error:%m,
		\%W%f(%l)\ :\ Warning:%m,
		\%-Z%p%^%.%#,
		\%-G%.%#,
" Compiler call
CompilerSet makeprg=df\ /nologo\ /noobj\ /c\ %:S
" Visual fortran defaults to printing output on stderr
" Adjust option shellpipe accordingly

let &cpoptions = s:cposet
unlet s:cposet