* Makefile.in (tree-ssa-propagate.o): Depend on vec.h.

	* Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
	* tree-ssa-propagate.c: Include vec.h.
	(interesting_ssa_edges, varying_ssa_edges): Make these VECs
	instead of varrays.
	(cfg_blocks_add): Assert the block is not already in the worklist.
	Update uses of interesting_ssa_edges and varying_ssa_edges.
	(process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
	ssa_propagate): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88249 138bc75d-0d04-0410-961f-82ee72b054a4