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	(num_ssa_names): Use VEC_length.
	(ssa_names): Use VEC_index.
	* tree-ssanames.c (ssa_names): Change the type to
	VEC(tree,gc).
	(init_ssanames, fini_ssa_names, make_ssanames,
	release_ssa_name): Update uses of ssa_names.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98843 138bc75d-0d04-0410-961f-82ee72b054a4