/* Record the old names of variables to rename. After
variables are deleted, we can't depend on the variables to
still exist, but we can still look them up by name. */
rename_old_names = xnmalloc (vm->rename_cnt, sizeof *rename_old_names);
for (i = 0; i < vm->rename_cnt; i++)
/* Record the old names of variables to rename. After
variables are deleted, we can't depend on the variables to
still exist, but we can still look them up by name. */
rename_old_names = xnmalloc (vm->rename_cnt, sizeof *rename_old_names);
for (i = 0; i < vm->rename_cnt; i++)