If a pass occurs in several pass lists, like pass_cleanup_eh which occurs in

If a pass occurs in several pass lists, like pass_cleanup_eh which occurs in
both all_small_ipa_passes and all_passes, make sure all instances of it are
considered for replacement/insertion when ref_pass_instance_number is zero,
not just the instance in the first pass list.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@156961 138bc75d-0d04-0410-961f-82ee72b054a4