re_string_destruct  754 maint/gnulib/lib/regcomp.c       re_string_destruct (&regexp);
re_string_destruct  782 maint/gnulib/lib/regcomp.c   re_string_destruct (&regexp);
re_string_destruct  888 maint/gnulib/lib/regexec.c   re_string_destruct (&mctx.input);