vim-patch:8.2.3246: memory use after free
Problem: Memory use after free.
Solution: When clearing a string option set the pointer to "empty_option".
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@ -770,7 +770,7 @@ void free_all_options(void)
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}
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} else if (options[i].var != VAR_WIN && (options[i].flags & P_STRING)) {
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// buffer-local option: free global value
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free_string_option(*(char_u **)options[i].var);
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clear_string_option((char_u **)options[i].var);
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}
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}
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}
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