patch 8.2.5117: crash when calling a Lua callback from a :def function Commit: https://github.com/vim/vim/commit/7d149f899d423b7bf2b90d7b11ebe3e560c462b9 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 17 19:23:34 2022 +0100 patch 8.2.5117: crash when calling a Lua callback from a :def function Problem: Crash when calling a Lua callback from a :def function. (Bohdan Makohin) Solution: Handle FC_CFUNC in call_user_func_check(). (closes #10587)

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