patch 9.0.1331: illegal memory access when using :ball in Visual mode Commit: https://github.com/vim/vim/commit/e1121b139480f53d1b06f84f3e4574048108fa0b Author: Pavel Mayorov <pmayorov@cloudlinux.com> Date: Mon Feb 20 14:35:20 2023 +0000 patch 9.0.1331: illegal memory access when using :ball in Visual mode Problem: Illegal memory access when using :ball in Visual mode. Solution: Stop Visual mode when using :ball. (Pavel Mayorov, closes https://github.com/vim/vim/issues/11923)

/^CFLAGS[[:blank:]]*=/s/$/ -Wall -Wextra -Wshadow -Werror/
/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unused-function/
/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=unused-parameter/