eor              2121 maint/gnulib/lib/regcomp.c   bin_tree_t *tree, *eor, *root;
eor              2128 maint/gnulib/lib/regcomp.c   eor = create_tree (dfa, NULL, NULL, END_OF_RE);
eor              2130 maint/gnulib/lib/regcomp.c     root = create_tree (dfa, tree, eor, CONCAT);
eor              2132 maint/gnulib/lib/regcomp.c     root = eor;
eor              2133 maint/gnulib/lib/regcomp.c   if (__glibc_unlikely (eor == NULL || root == NULL))