tree-optimize.c (init_tree_optimization_passes): Re-organize optimization passes...

tree-optimize.c (init_tree_optimization_passes): Re-organize optimization passes to do an initial batch of scalar cleanups.

	* tree-optimize.c (init_tree_optimization_passes): Re-organize
	optimization passes to do an initial batch of scalar cleanups.

testsuite/ChangeLog

	* gcc.dg/pr18501.c: XFAIL.
	* gcc.dg/tree-ssa/loop-4.c: Fix expected pattern.
	* gcc.dg/tree-ssa/pr20913.c: Change to link-time test.
	* gcc.dg/tree-ssa/ssa-ccp-2.c: Change to a .optimized scan.
	* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.
	* gcc.dg/tree-ssa/ssa-dom-ccp-1.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-7.c: Change to a .fre scan.
	* gcc.dg/tree-ssa/ssa-pre-8.c: Likewise.

From-SVN: r99558