patch 9.0.1913: if_python: undefined behaviour for function pointers Commit: https://github.com/vim/vim/commit/2ce070c27acd12ccc614afa4cecf4970a645a4af Author: Yee Cheng Chin <ychin.git@gmail.com> Date: Tue Sep 19 20:30:22 2023 +0200 patch 9.0.1913: if_python: undefined behaviour for function pointers Problem: if_python: undefined behaviour for function pointers Solution: Fix if_python undefined behavior for function pointer casts Identified by clang 17 UBSAN (see #12745). Make sure to cast function pointers with the same signature only. closes: #13122 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>