re_string_destruct  780 maint/gnulib/lib/regcomp.c       re_string_destruct (&regexp);
re_string_destruct  810 maint/gnulib/lib/regcomp.c   re_string_destruct (&regexp);
re_string_destruct  901 maint/gnulib/lib/regexec.c   re_string_destruct (&mctx.input);