commit https://github.com/vim/vim/commit/e0f76d00979c972329f6c371463a20da61ccad65 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 9 20:38:53 2016 +0200 patch 7.4.1828 Problem: May try to access buffer that's already freed. Solution: When freeing a buffer remove it from any channel.

/* if_ruby.c */
int ruby_enabled(int verbose);
void ruby_end(void);
void ex_ruby(exarg_T *eap);
void ex_rubydo(exarg_T *eap);
void ex_rubyfile(exarg_T *eap);
void ruby_buffer_free(buf_T *buf);
void ruby_window_free(win_T *win);
void vim_ruby_init(void *stack_start);
/* vim: set ft=c : */