tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure subvars get marked properly in tags for grouping.

2005-03-30  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
	subvars get marked properly in tags for grouping.
	(add_pointed_to_var): Mark only actual pointed to
	variables/subvars in addresses needed.
	(create_overlap_variables_for): Clear call clobbered on original
	variable.
	* tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
	addresable vars with subvars into list.
	* tree-ssa.c (verify_ssa_name): Verify original is not used where
	subvar should be.

From-SVN: r97285