ChangeLog:

2005-07-13  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/21921
	* tree-iterator.c (tsi_link_before): Support the case when
	tsi_end_p (tsi) == true.

testsuite/ChangeLog:
2005-07-13  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/21921
	* gcc.dg/tree-ssa/pr21921.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101970 138bc75d-0d04-0410-961f-82ee72b054a4